小学一年级口算20以内填括号练习

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A38 小学一年级数学《20以内括号里最大能填几》口算题大全 20页1500道题 直接打印电子版

A38 小学一年级数学《20以内括号里最大能填几》口算题大全 20页1500道题 直接打印电子版

中小学数学1-9年级口算题、计算题、珠心算题大全A3820以内括号内最大能填几学校:_________________班级:_________________姓名:_________________姓名____________ 日期_____________ 用时______分______秒1.8+( )<1626.9-( )>451.13>11+( )2.14+( )<10+827.18-( )>4+752.2+3>( )+43.10+( )<16+128.20-( )>19+053.17+2>( )+14.( )-12<429.4<8-( )54.4-1>1+( )5.3+( )<830.6-( )>555.18>17+( )6.1+( )<9+731.13-( )>9+256.14+5>( )+47.2+( )<7+532.5-( )>4+057.21+0>( )+208.( )-6<733.9<10-( )58.5-0>4+( )9.5+( )<1634.13-( )>259.13>11+( )10.6+( )<1+635.6-( )>5+060.11+8>( )+1211.8+( )<9+936.17-( )>3+161.15+4>( )+912.( )-9<137.1<2-( )62.11-4>3+( )13.19+( )<2038.21-( )>1863.5>1+( )14.0+( )<0+439.5-( )>3+164.15+1>( )+1415.10+( )<7+740.13-( )>0+065.3+5>( )+316.( )-18<141.6<7-( )66.15-12>2+( )17.16+( )<1742.3-( )>267.16>1+( )18.16+( )<10+843.11-( )>1+968.12+2>( )+519.11+( )<7+1144.20-( )>4+769.8+10>( )+1420.( )-10<145.5<13-( )70.7-3>3+( )21.16+( )<1746.12-( )>871.18>9+( )22.9+( )<7+747.15-( )>4+372.14+5>( )+1323.2+( )<14+548.2-( )>0+173.14+1>( )+324.( )-17<249.2<5-( )74.10-7>0+( )25.9+( )<1550.7-( )>075.6>2+( )姓名____________ 日期_____________ 用时______分______秒1.6+( )<1326.19-( )>1351.17>16+( )2.2+( )<17+127.15-( )>8+152.11+9>( )+33.2+( )<12+028.3-( )>2+053.15+5>( )+194.( )-16<329.10<20-( )54.12-11>0+( )5.13+( )<1830.11-( )>255.11>1+( )6.5+( )<12+131.7-( )>6+056.4+3>( )+37.13+( )<16+132.12-( )>7+357.3+10>( )+38.( )-6<833.7<15-( )58.6-1>1+( )9.5+( )<934.7-( )>059.18>17+( )10.1+( )<11+935.5-( )>2+260.17+2>( )+1111.17+( )<19+036.20-( )>17+261.17+2>( )+312.( )-12<837.9<18-( )62.19-7>6+( )13.15+( )<1738.3-( )>163.17>14+( )14.12+( )<11+839.20-( )>19+064.19+1>( )+815.6+( )<15+340.4-( )>2+065.13+7>( )+916.( )-1<1041.0<7-( )66.3-2>0+( )17.4+( )<1342.9-( )>567.20>19+( )18.7+( )<4+1643.6-( )>1+068.12+4>( )+119.1+( )<1+1044.1-( )>0+069.21+0>( )+1720.( )-6<145.2<6-( )70.18-2>14+( )21.7+( )<1646.6-( )>371.6>4+( )22.10+( )<4+747.3-( )>0+172.19+1>( )+123.0+( )<14+148.17-( )>8+573.9+1>( )+124.( )-3<1349.1<14-( )74.17-13>0+( )25.11+( )<1550.17-( )>1275.18>17+( )姓名____________ 日期_____________ 用时______分______秒1.6+( )<1426.15-( )>1251.11>7+( )2.12+( )<12+527.16-( )>13+152.2+10>( )+43.13+( )<11+528.13-( )>12+053.6+2>( )+44.( )-17<229.1<2-( )54.10-6>2+( )5.3+( )<1930.16-( )>1155.12>10+( )6.10+( )<14+431.13-( )>2+456.14+1>( )+37.8+( )<2+1632.9-( )>8+057.9+11>( )+108.( )-1<133.3<8-( )58.18-2>13+( )9.16+( )<1934.16-( )>359.10>4+( )10.5+( )<17+135.5-( )>0+460.20+1>( )+1911.10+( )<3+1636.1-( )>0+061.2+3>( )+212.( )-5<737.9<16-( )62.3-0>2+( )13.16+( )<1838.10-( )>563.11>7+( )14.12+( )<19+139.1-( )>0+064.15+4>( )+1215.3+( )<1+940.14-( )>2+665.11+7>( )+1016.( )-17<341.3<6-( )66.21-17>3+( )17.17+( )<1942.11-( )>667.20>19+( )18.5+( )<18+143.12-( )>8+168.18+1>( )+1819.1+( )<12+544.4-( )>1+169.14+2>( )+1320.( )-12<145.6<21-( )70.5-3>1+( )21.19+( )<2046.8-( )>571.20>18+( )22.14+( )<0+1547.19-( )>5+972.16+2>( )+123.6+( )<6+948.14-( )>2+773.16+4>( )+424.( )-19<149.1<7-( )74.7-4>1+( )25.9+( )<1150.18-( )>275.18>15+( )姓名____________ 日期_____________ 用时______分______秒1.7+( )<1626.11-( )>651.19>17+( )2.8+( )<5+1227.7-( )>1+552.6+14>( )+43.1+( )<7+128.11-( )>7+253.12+3>( )+34.( )-17<229.1<2-( )54.13-3>5+( )5.10+( )<1230.9-( )>055.3>1+( )6.7+( )<13+731.15-( )>3+956.17+2>( )+137.8+( )<6+732.8-( )>6+057.10+1>( )+88.( )-5<1433.10<15-( )58.20-13>2+( )9.9+( )<1634.6-( )>059.15>13+( )10.0+( )<6+135.9-( )>3+260.12+7>( )+611.4+( )<0+1236.14-( )>6+561.2+3>( )+012.( )-10<437.13<17-( )62.14-12>0+( )13.4+( )<1538.17-( )>1463.13>12+( )14.8+( )<6+1439.2-( )>0+064.15+5>( )+115.11+( )<18+140.12-( )>2+765.13+6>( )+316.( )-4<741.6<11-( )66.14-3>3+( )17.9+( )<1042.15-( )>567.18>14+( )18.5+( )<5+243.20-( )>10+568.5+5>( )+819.5+( )<6+044.19-( )>0+769.15+4>( )+420.( )-15<345.10<15-( )70.17-11>0+( )21.4+( )<2046.7-( )>571.18>4+( )22.11+( )<16+447.12-( )>5+572.4+15>( )+023.1+( )<1+148.14-( )>7+673.15+3>( )+024.( )-17<249.10<21-( )74.15-2>10+( )25.4+( )<1150.11-( )>075.19>12+( )姓名____________ 日期_____________ 用时______分______秒1.9+( )<1726.7-( )>051.13>11+( )2.0+( )<12+427.6-( )>5+052.8+2>( )+73.12+( )<16+228.1-( )>0+053.19+1>( )+54.( )-16<329.7<18-( )54.14-2>9+( )5.6+( )<1230.7-( )>255.17>14+( )6.10+( )<9+831.7-( )>2+056.13+7>( )+17.5+( )<8+432.19-( )>9+557.15+1>( )+88.( )-1<833.1<3-( )58.10-0>2+( )9.12+( )<1934.13-( )>1159.13>10+( )10.0+( )<9+835.17-( )>0+460.8+4>( )+711.1+( )<1+1836.13-( )>2+661.8+12>( )+1612.( )-16<437.0<6-( )62.4-1>1+( )13.4+( )<938.13-( )>563.20>12+( )14.5+( )<15+239.2-( )>0+064.21+0>( )+315.16+( )<7+1240.12-( )>10+165.13+6>( )+116.( )-12<541.1<2-( )66.11-1>0+( )17.20+( )<2142.5-( )>067.18>13+( )18.14+( )<7+943.7-( )>6+068.20+1>( )+1519.4+( )<3+344.9-( )>5+169.7+3>( )+020.( )-17<345.4<6-( )70.20-1>9+( )21.18+( )<2046.11-( )>671.14>1+( )22.5+( )<4+747.20-( )>17+172.9+5>( )+423.16+( )<13+548.12-( )>3+773.10+7>( )+624.( )-10<149.1<2-( )74.19-14>2+( )25.17+( )<1950.6-( )>275.18>17+( )姓名____________ 日期_____________ 用时______分______秒1.8+( )<2026.5-( )>451.15>10+( )2.1+( )<11+527.18-( )>5+152.15+5>( )+53.0+( )<14+528.11-( )>2+253.10+4>( )+74.( )-4<129.8<13-( )54.20-4>10+( )5.7+( )<1330.13-( )>755.17>6+( )6.8+( )<6+1031.12-( )>10+156.9+10>( )+127.9+( )<7+1232.5-( )>2+257.21+0>( )+08.( )-13<333.13<16-( )58.7-2>4+( )9.12+( )<1934.9-( )>659.9>5+( )10.12+( )<13+435.17-( )>11+060.20+1>( )+811.10+( )<11+036.1-( )>0+061.15+4>( )+1112.( )-11<537.1<11-( )62.4-0>3+( )13.15+( )<1838.3-( )>163.17>15+( )14.6+( )<2+1039.11-( )>2+264.6+1>( )+615.3+( )<17+140.2-( )>1+065.19+1>( )+116.( )-1<1241.1<6-( )66.5-2>1+( )17.8+( )<1442.15-( )>267.12>3+( )18.3+( )<7+643.13-( )>3+068.8+6>( )+119.8+( )<10+044.12-( )>1+069.5+8>( )+220.( )-9<645.2<15-( )70.8-4>3+( )21.16+( )<1946.12-( )>671.18>13+( )22.15+( )<14+247.2-( )>0+072.18+1>( )+1423.10+( )<16+448.12-( )>11+073.8+10>( )+1324.( )-2<1649.0<2-( )74.8-6>1+( )25.9+( )<1550.7-( )>475.20>19+( )姓名____________ 日期_____________ 用时______分______秒1.12+( )<1826.18-( )>351.9>5+( )2.7+( )<6+327.1-( )>0+052.18+2>( )+73.5+( )<5+728.10-( )>0+953.21+0>( )+104.( )-5<1329.0<20-( )54.20-0>10+( )5.14+( )<1830.7-( )>055.15>3+( )6.7+( )<5+931.2-( )>0+056.7+12>( )+157.12+( )<10+932.14-( )>4+757.19+1>( )+158.( )-18<133.20<21-( )58.10-4>1+( )9.5+( )<1234.10-( )>959.20>16+( )10.12+( )<15+235.8-( )>0+160.4+7>( )+011.9+( )<7+636.15-( )>9+561.19+1>( )+1812.( )-15<437.3<9-( )62.10-4>2+( )13.8+( )<1538.4-( )>363.11>9+( )14.13+( )<11+339.2-( )>0+164.13+7>( )+315.10+( )<11+040.7-( )>6+065.2+5>( )+216.( )-13<541.6<8-( )66.19-16>0+( )17.19+( )<2042.9-( )>867.20>16+( )18.2+( )<10+543.1-( )>0+068.14+3>( )+1019.10+( )<3+1244.18-( )>2+1169.11+5>( )+1020.( )-17<145.2<10-( )70.6-4>1+( )21.3+( )<446.18-( )>171.10>1+( )22.12+( )<15+447.5-( )>2+072.14+1>( )+323.11+( )<8+448.13-( )>4+173.17+1>( )+624.( )-19<149.7<8-( )74.18-6>1+( )25.20+( )<2150.6-( )>475.4>1+( )姓名____________ 日期_____________ 用时______分______秒1.19+( )<2026.21-( )>1451.12>5+( )2.8+( )<10+827.1-( )>0+052.18+2>( )+73.3+( )<13+128.12-( )>10+153.7+2>( )+04.( )-8<229.3<8-( )54.16-12>3+( )5.12+( )<1730.19-( )>1655.18>17+( )6.0+( )<6+131.13-( )>5+356.11+3>( )+117.6+( )<3+1132.16-( )>10+557.18+1>( )+128.( )-12<833.1<4-( )58.16-0>14+( )9.19+( )<2034.15-( )>1159.19>3+( )10.15+( )<9+1135.9-( )>0+860.3+10>( )+711.17+( )<19+036.12-( )>2+161.17+3>( )+312.( )-3<937.3<19-( )62.18-11>2+( )13.17+( )<2038.18-( )>1563.19>17+( )14.1+( )<15+239.2-( )>0+164.9+6>( )+1215.10+( )<14+340.20-( )>10+365.20+1>( )+1316.( )-18<241.2<5-( )66.5-1>2+( )17.16+( )<2042.5-( )>267.19>14+( )18.5+( )<9+843.20-( )>11+568.18+2>( )+119.4+( )<4+344.1-( )>0+069.21+0>( )+1120.( )-8<145.0<6-( )70.2-1>0+( )21.11+( )<1546.21-( )>1471.20>15+( )22.0+( )<5+247.11-( )>2+372.11+2>( )+123.4+( )<2+448.12-( )>8+073.8+4>( )+1024.( )-12<549.3<8-( )74.15-3>11+( )25.14+( )<1650.4-( )>075.19>1+( )姓名____________ 日期_____________ 用时______分______秒1.18+( )<2026.19-( )>251.15>8+( )2.4+( )<2+527.5-( )>1+152.10+3>( )+03.7+( )<8+428.18-( )>13+253.19+1>( )+04.( )-12<229.16<19-( )54.8-5>0+( )5.14+( )<2030.5-( )>155.16>8+( )6.8+( )<4+731.19-( )>8+156.9+9>( )+27.5+( )<4+832.6-( )>4+057.8+3>( )+68.( )-7<233.0<13-( )58.6-5>0+( )9.8+( )<1134.3-( )>059.19>12+( )10.0+( )<7+135.8-( )>6+060.4+11>( )+1311.4+( )<12+136.14-( )>12+061.17+3>( )+1212.( )-10<337.7<14-( )62.12-6>3+( )13.2+( )<638.15-( )>1263.11>9+( )14.8+( )<14+139.5-( )>3+164.15+4>( )+215.7+( )<15+240.16-( )>7+765.21+0>( )+716.( )-4<1341.6<7-( )66.12-3>8+( )17.18+( )<1942.16-( )>267.20>8+( )18.2+( )<16+243.3-( )>2+068.16+3>( )+1619.10+( )<10+744.3-( )>2+069.17+2>( )+1720.( )-12<845.15<18-( )70.5-0>2+( )21.16+( )<1946.2-( )>171.15>4+( )22.13+( )<11+947.6-( )>4+072.2+13>( )+1223.12+( )<5+1048.1-( )>0+073.19+1>( )+1624.( )-1<1749.9<16-( )74.12-2>0+( )25.4+( )<1550.8-( )>575.21>20+( )姓名____________ 日期_____________ 用时______分______秒1.7+( )<1226.11-( )>851.21>20+( )2.0+( )<2+627.10-( )>5+052.11+9>( )+173.2+( )<18+128.1-( )>0+053.3+9>( )+24.( )-1<1929.5<13-( )54.9-0>2+( )5.12+( )<1330.11-( )>155.19>17+( )6.8+( )<1+831.15-( )>11+056.9+3>( )+27.3+( )<18+132.11-( )>5+557.9+6>( )+18.( )-11<133.6<14-( )58.18-4>5+( )9.10+( )<1334.17-( )>559.13>8+( )10.11+( )<5+735.11-( )>2+460.4+15>( )+611.16+( )<17+236.14-( )>2+1061.16+4>( )+512.( )-7<437.0<20-( )62.8-3>3+( )13.2+( )<1238.4-( )>163.21>20+( )14.10+( )<5+639.3-( )>0+064.7+9>( )+415.9+( )<9+140.7-( )>3+165.16+4>( )+416.( )-12<241.4<19-( )66.2-0>0+( )17.15+( )<1742.16-( )>367.21>20+( )18.11+( )<11+243.18-( )>7+168.20+1>( )+1319.0+( )<2+944.10-( )>4+269.11+1>( )+920.( )-17<345.2<19-( )70.9-2>0+( )21.16+( )<1846.6-( )>171.19>16+( )22.3+( )<12+747.19-( )>3+1472.4+16>( )+123.6+( )<17+348.6-( )>4+173.11+5>( )+1224.( )-3<1549.10<18-( )74.11-9>0+( )25.8+( )<1250.8-( )>575.14>12+( )姓名____________ 日期_____________ 用时______分______秒1.20+( )<2126.20-( )>351.12>5+( )2.7+( )<8+127.3-( )>0+252.15+1>( )+113.5+( )<15+128.19-( )>18+053.18+2>( )+114.( )-12<429.12<21-( )54.10-1>4+( )5.5+( )<1430.21-( )>1055.20>12+( )6.5+( )<8+931.16-( )>10+556.18+2>( )+137.7+( )<16+132.7-( )>1+057.15+4>( )+38.( )-16<333.11<18-( )58.10-9>0+( )9.13+( )<1634.4-( )>159.21>20+( )10.1+( )<8+735.1-( )>0+060.12+8>( )+711.11+( )<13+036.11-( )>7+361.9+5>( )+112.( )-5<1337.6<16-( )62.11-10>0+( )13.3+( )<2038.7-( )>163.15>6+( )14.0+( )<16+139.18-( )>12+264.4+2>( )+515.3+( )<10+440.7-( )>4+165.16+4>( )+016.( )-19<141.2<4-( )66.10-8>1+( )17.8+( )<1942.12-( )>1167.20>12+( )18.0+( )<3+843.10-( )>7+068.3+1>( )+219.3+( )<10+844.3-( )>1+169.2+5>( )+520.( )-0<1045.5<10-( )70.9-6>2+( )21.8+( )<946.20-( )>1271.15>13+( )22.15+( )<8+947.10-( )>4+372.19+1>( )+123.10+( )<9+248.4-( )>3+073.18+1>( )+924.( )-3<1149.1<14-( )74.13-5>6+( )25.2+( )<650.5-( )>075.20>9+( )姓名____________ 日期_____________ 用时______分______秒1.17+( )<1826.2-( )>051.20>19+( )2.15+( )<17+227.11-( )>4+552.3+11>( )+133.4+( )<6+628.7-( )>1+453.5+9>( )+74.( )-14<129.9<10-( )54.20-4>6+( )5.8+( )<1330.19-( )>1455.21>20+( )6.12+( )<19+131.6-( )>4+056.13+3>( )+27.1+( )<13+032.13-( )>1+057.14+1>( )+58.( )-6<833.6<19-( )58.18-7>1+( )9.5+( )<1834.12-( )>1159.14>13+( )10.4+( )<4+1035.17-( )>12+460.8+3>( )+611.8+( )<2+1636.4-( )>0+361.11+5>( 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20以内填空口算专项练习题(1000题)

20以内填空口算专项练习题(1000题)

20以内填括号口算专项练习题时间分数( )+5=12 5+( ) =12 ( ) +7=17 ( )+1=15 3+( ) =14 ( )-3=6 ( )+9=13 ( )+5=11 ( )+2=10 13- ( ) =2 ( )+5=19 4-( ) =2 9-( ) =4 ( )-3=7 ( )-14=3 ( )+9=16( )+0=9( )-6=75+( ) =109+( ) =1819-( ) =68+( ) =98+( ) =10( ) +3=14( ) +7=74-( ) =4( ) +6=1513-( ) =79+( ) =161+( ) =13( ) -0=1414+( ) =1616-( ) =59+( ) =1317-( ) =45+( ) =914- ( ) =0( ) -12=716-( ) =98+( ) =14( )-1=12( )+6=7( )-7=4( ) -11=516-( ) =43+( ) =13 ( ) +3=112+( ) =99-( ) =7( ) -15=020以内填括号口算专项练习题时间分数16-( )=5 ( )+3=9 5+( )=11 ( )+4=15 12-( )=7 ( )+6=17 4+( )=7 18-( )=8 ( )-3=13 14-( )=11 19-( )=6 ( )-1=15 2+( )=15 ( )+8=102+( )=16( )+12=16( )-7=131+( )=120+( )=814-( )=519-( )=16( )+2=59+( )=14( )+9=1715-( )=1417-( )=9( )+11=16( )+6=16( )-11=36+( )=1313-( )=716-( )=4( )+2=17( )+6=12( )-10=5( )+7=15( )+7=16( )+0=18( )-7=413+( )=19 ( )+4=17 ( )+6=1318-( )=1( )+14=1619-( )=12( )+13=3( )-11=4( )+3=18 20以内填括号口算专项练习题时间分数13+( )=18 ( ) +5=13 ( ) +9=11 10-( )=1 ( )-11=4 ( )+7=9 ( ) +3=7 ( )+0=16 19-( )=11 ( )+3=15 9-( )=02+( )=15 ( )+5=16( )+10=13( )+7=12( )+8=15( )-4=153+( )=167+( )=1415-( )=46+( )=158+( )=16( )+1=10( )-8=510-( )=2( )+4=1119-( )=57+( )=1219-( )=9( )-8=122+( )=1212-( )=37+( )=192+( )=1315-( )=310-( )=87+( )=12 6+( )=10 ( )-19=0 ( )+4=13( ) +3=1212-( )=211+( )=19( )-6=115+( )=5( ) -3=812-( )=320以内填括号口算专项练习题时间分数( )-4=11 3+( )=17 ( ) -9=2 18-( )=5 ( )+4=13 9+( )=3 14-( )=6 12-( )=10 14-( )=9 15-( )=14 ( )-9=10 15-( )=0( )+6=1612-( )=5( )-12=0( )-5=1118-( )=914-( )=813+( )=1915-( )=4( )-1=013-( )=7( )+7=1311-( )=27+( )=13( ) +9=12( ) +4=12( )+1=109-( )=419-( )=512+( )=12( )-13=0( )-14=4( )-6=5 ( )-7=5 ( )+8=14 ( )+2=7 ( )-5=9( )+2=3( )-5=413-( )=614-( )=9( )-0=215-( )=7( )+1=9( )-9=214-( )=6 20以内填括号口算专项练习题时间分数( )+6=14 ( ) +8=9 12+( )=7 ( ) +9=16 10-( )=7 0+( )=5 ( )+6=13 ( )+3=12 ( ) -2=8 5+( )=10 ( )+3=5( ) -6=512-( )=812-( )=415-( )=711+( )=1814-( )=8( )+6=12( )+0=0( )+7=11( )+9=11( )+8=114+( )=168+( )=9( )+5=67-( )=7( )-7=8( )+3=182+( )=1516-( )=5( )+5=8 ( )-1=16 ( )+0=15 ( )-4=15 ( )+6=11 ( )-5=1 16-( )=3( )-8=11( )+9=1615-( )=1319-( )=713-( )=518-( )=1617-( )=5( )+4=154+( )=13( )+3=11( ) -3=8( )-16=1( )-2=1620以内填括号口算专项练习题时间分数4+( )=11 ( ) +6=13 5+( )=7 ( ) -6=8 17+( )=19 ( )+15=19 ( )+8=18 ( ) -4=14 ( )-14=10 ( )-4=1217-( )=5( )+12=169+( )=12( )+13=183+( )=1812-( )=4( )+2=14( )+1=10( ) -0=611-( )=73+( )=11( )+0=6( )+0=9( )+5=7( )-9=52+( )=187+( )=86-( )=4 ( )+7=15 ( )+8=15 ( )-3=5 3+( )=9 7+( )=14 19-( )=16 8+( )=178+( )=141+( )=1012-( )=516-( )=23+( )=19( )+4=18( )+6=13( )-9=8( )-17=2( )+4=1610-( )=2( )+6=10( ) +3=1316-( )=517-( )=520以内填括号口算专项练习题时间分数( )+7=19 3+( ) =11 ( ) +2=18 ( )+4=12 5+( ) =15 ( )-7=7 ( )+4=13 ( )+5=18 ( )+9=1319- ( ) =5( )+7=1911-( ) =110-( ) =4( )-6=8( )-5=13( )+19=20( )+12=15( )-6=117+( ) =126+( ) =1819-( ) =168+( ) =1918+( ) =20( ) +13=14( ) +17=20 14-( ) =5 ( ) +7=13 17-( ) =9 10+( ) =16 11+( ) =14 ( ) -0=13 17+( ) =20 10-( ) =57+( ) =1617-( ) =1415+( ) =1913- ( ) =0( ) -11=717-( ) =615+( ) =17( )-11=9( )+16=17( )-9=5( ) -10=915-( ) =67+( ) =12( ) +8=114+( ) =1919-( ) =12( ) -16=020以内填括号口算专项练习题时间分数19-( )=7 ( )+11=19 6+( )=19 ( )+3=14 20-( )=7 ( )+8=13 14+( )=17 15-( )=8( )-1=1117-( )=1217-( )=11( )-5=1512+( )=16( )+5=1612+( )=17( )+8=13( )-7=1311+( )=160+( )=1819-( )=517-( )=169+( )=13 ( )+9=14 17-( )=14 20-( )=9 ( )+8=16 ( )+7=16 ( )-7=3 5+( )=12 15-( )=9( )+12=18( )+11=19( )-9=6( )+8=12( )+3=14( )+10=18( )-8=5( )-7=1219+( )=19( )+3=1314-( )=817-( )=11( )+13=1718-( )=1115-( )=6( )+12=18( )-12=720以内填括号口算专项练习题时间分数( )+13=16 12+( )=19 ( ) +8=15 ( ) +2=17 17-( )=1 ( )-13=4 ( )+7=19( ) +3=17( )+10=1614-( )=11( )+13=1719-( )=1012+( )=17( )+9=16( )+8=15( )+7=11( )+5=16( )-6=126+( )=15 17-( )=14 8+( )=14 3+( )=16 ( )+11=18 ( )-8=7 15-( )=2 ( )+4=14 19-( )=15 17+( )=18( )-8=1112+( )=1312-( )=317+( )=2012+( )=1515-( )=1320-( )=8( )-10=1017+( )=206+( )=16( )+14=17( ) +12=18( ) +3=1612-( )=1210+( )=16( )-16=314-( )=35+( )=17( ) -7=820以内填括号口算专项练习题时间分数16-( )=3 ( )-5=14 12+( )=18 ( ) -5=12 16-( )=5 ( )+7=1612+( )=1213-( )=420-( )=1420-( )=919-( )=9( )-5=1317-( )=10( )+9=1717-( )=5( )-13=3 ( )-6=14 15-( )=4 20-( )=8 13+( )=20 14-( )=14 ( )-11=0 16-( )=7 ( )+7=16 20-( )=2 5+( )=16 ( ) +4=11( ) +14=18( )+11=1919-( )=46-( )=012+( )=20( )-18=0( )-3=11( )+3=12( )-6=14( )-3=15( )+8=17( )+12=17( )-15=215-( )=11( )+12=14( )-15=420-( )=616-( )=7( )-10=212+( )=1719-( )=18( )+11=20( )-19=120以内填括号口算专项练习题时间分数17-( )=13 ( )+16=20 ( ) +8=19 13+( )=18( ) +15=2020-( )=710+( )=19( )+16=20( )+13=18( ) -12=84+( )=17( )+13=17( ) -4=14 17-( )=8 13-( )=7 19-( )=17 13+( )=17 17-( )=9 ( )+16=17 ( )+10=14 ( )+7=17 ( )+9=15 ( )+6=12 7+( )=12 3+( )=8( )+5=1617-( )=7( )-7=6( )+13=1912+( )=1720-( )=5( )+5=18( )-11=6( )+10=17( )-14=5( )+6=19( )-5=1116-( )=13( )-4=12( )+9=1314-( )=1218-( )=1719-( )=1520-( )=1620-( )=5( )+14=1514+( )=18( )+6=17( ) -13=2( )-5=1220以内填括号口算专项练习题时间分数( )-12=6 14+( )=17 ( ) +16=19 15+( )=17( ) -11=814+( )=19( )+6=20( )+7=14( ) -14=2( )-4=10 ( )-5=13 14-( )=6 ( )+12=15 9+( )=17 ( )+12=19 13+( )=20 15-( )=14 ( )+11=17 ( )+11=18 ( ) -10=6 7-( )=23+( )=9 ( )+10=17( )+5=19( )+15=17( )-5=152+( )=187+( )=1816-( )=4( )+8=15( )+2=11( )-3=153+( )=1917+( )=2020-( )=1618+( )=2018-( )=1311+( )=2013-( )=417-( )=313+( )=17( )+14=18( )+6=14( )-7=4( )-6=12( )+14=2020-( )=2( )+6=16( ) +5=1714-( )=320以内填括号口算专项练习题时间分数( )+10=13 4+( ) =20 ( ) +12=18( )+5=2015+( ) =15( )-7=11( )+3=12 ( )+6=17 ( )+8=14 20- ( ) =5 ( )+3=14 17-( ) =11 20-( ) =4 ( )-11=8 ( )-5=12 ( )+9=20 ( )+7=15 ( )-9=11 3+( ) =11 8+( ) =14 20-( ) =127+( ) =1413+( ) =20( ) +8=14( ) +12=2016-( ) =15( ) +7=1318-( ) =1112+( ) =1513+( ) =17( ) -10=317+( ) =1918-( ) =55+( ) =1418-( ) =67+( ) =2016- ( ) =10( ) -12=415-( ) =615+( ) =18( )-10=9( )+14=17( )-9=9( ) -11=718-( ) =55+( ) =17( ) +5=117+( ) =2012-( ) =3( ) -12=020以内填括号口算专项练习题时间分数( )+8=16 7+( )=19 ( ) +6=1417-( )=13 ( )-13=5 ( )+9=19 ( ) +6=17 ( )+8=19 14-( )=10 ( )+11=20 19-( )=16 9+( )=17 ( )+9=10 ( )+8=14 ( )+5=12 ( )+9=17 ( )-7=13 6+( )=1317-( )=1111+( )=1413+( )=19( )+4=18( )-5=711-( )=2( )+7=1410-( )=57+( )=1919-( )=16( )-8=1211+( )=2013-( )=310+( )=206+( )=1513-( )=2( )-10=513+( )=175+( )=18( )-16=0( )+13=18( ) +6=7( ) +6=2014-( )=37+( )=15( )-12=416-( )=48+( )=17( ) -3=720以内填括号口算专项练习题时间分数( )+1=16 8+( )=17 ( )+6=14 16-( )=2 ( )+5=13 6+( )=12 12-( )=7 ( )-11=5 18-( )=14 16-( )=15 ( )-9=6 13+( )=16 ( )+5=14 15+( )=16 ( )+5=12 ( )-8=120+( )=1318-( )=515-( )=5( )+5=127+( )=15( )+9=165-( )=220-( )=11( )+8=14( )+5=11( )-7=139+( )=1620-( )=920-( )=11( )+12=20( )+10=19( )+7=13( )+5=11( )+17=18( )-8=4( )-3=1612+( )=20( )+8=16( )+8=1217-( )=816-( )=12( )+11=1719-( )=1418-( )=6( )+5=18( )-13=7 20以内填括号口算专项练习题时间分数11-( )=2 ( )-4=12 14+( )=17 ( ) -6=12 17-( )=5 ( )+3=11 10+( )=12 13-( )=7 19-( )=5 20-( )=14 19-( )=7 ( )-5=11 13-( )=10 ( )+7=15 13-( )=4 ( )-12=4 ( )-8=10 18-( )=520-( )=1812+( )=1917-( )=10( )-12=019-( )=17( )+7=1518-( )=1215+( )=17( ) +14=18( ) +13=20( )+5=1412-( )=610-( )=211+( )=16( )-10=0( )-3=14( )+5=12( )-6=8( )-7=11( )+9=18( )+8=16( )-8=617-( )=12( )+5=17( )-4=1416-( )=712-( )=8( )-11=217-( )=912-( )=31( )+15=19( )-14=320以内填括号口算专项练习题时间分数14-( )=10 ( )+5=16 ( ) +11=17 6+( )=19 ( ) +12=16 13-( )=5 7+( )=15 ( )+4=20 ( )+5=18 ( ) -6=8 14+( )=18 ( )+6=17 ( ) -5=13 20-( )=3 16-( )=7 20-( )=3 8+( )=1617-( )=9( )+13=18( )+5=14( )+9=13( )+8=11( )+7=148+( )=126+( )=8( )+8=1717-( )=9( )-10=6( )+13=2012+( )=2020-( )=5( )+13=18( )-12=6( )+10=18( )-11=4( )+8=17( )-4=820-( )=3( )-9=6( )+7=1119-( )=112-( )=714-( )=513-( )=616-( )=8( )+5=127+( )=19( )+8=17( ) -5=12 ( )-7=220以内填括号口算专项练习题时间分数( )-2=16 9+( )=17 ( ) +8=19 7+( )=17 ( ) -9=8 6+( )=19 ( )+6=17 ( )+5=13 ( ) -8=12 ( )-7=8 ( )-6=14 17-( )=8 ( )+8=11 10+( )=17 ( )+13=18 1+( )=2010-( )=3( )+5=17( )+10=18( ) -12=617-( )=23+( )=19( )+17=20( )+15=19( )+3=20( )-6=1112+( )=209+( )=1713-( )=4( )+7=15( )+2=16( )-3=1413+( )=1710+( )=2019-( )=611+( )=1413-( )=36+( )=1017-( )=1415-( )=11+( )=16( )+9=17( )+5=14( )-4=4( )-8=12( )+3=20 10-( )=2 ( )+7=16 ( ) +5=17 46-( )=13。

20以内加减口算练习题(等式两边相等带括号)

20以内加减口算练习题(等式两边相等带括号)

20以内加减口算练习题(等式两边相等带括号)姓名。

时间。

20分钟做对_____题1.10+8=2+(16)2.10+4=20-(14)3.5+10=6+(9)4.10+2=18-(10)5.8+10=3+(15)6.13+2=(15)+67.8+7=(12)-38.10+2=10+(2)9.8+6=19-(13)10.10+3=(13)-511.10+2=15-(7)12.8+8=(16)+013.38+10=(48)+1214.23+15=9+(29)15.6+10=19-(3)16.7+9=8+(8)17.8+4=1+(11)18.5+8=(13)+619.6+10=5+(11)20.10+10=3+(17)21.8+8=(16)+422.10+8=3+(15)23.8+5=16-(3)24.10+9=4+(15)25.5+5=18-(8)26.7+4=13-(4)27.9+3=(12)+628.3+10=(13)+429.7+4=(11)-7这是一份20以内连加连减口算练题,要求前后相等。

可以通过简单的加减法口算来得出答案。

每道题都有一个空白,需要填入正确的数字。

在20分钟内尽量完成所有题目。

10+8=2+(16)10+4=20-(6)5+10=6+(9)10+2=18-(10)8+10=3+(15)13+2=(15)+6 8+7=(12)-3 10+2=10+(2)8+6=19-(7)10+3=(13)-5 10+2=15-(7)8+8=(16)+3 8+10=(18)+1 23+15=9+(29)6+10=19-(3)7+9=8+(8)8+4=1+(11)5+8=(13)+6 6+10=5+(11)10+10=3+(17)8+8=(16)+9 10+8=3+(15)8+5=16-(3)10+9=4+(15)5+5=18-(8)计算题:1.10加8等于2加多少?答案:162.10加4等于20减去多少?答案:63.5加10等于6加多少?答案:94.10加2等于18减去多少?答案:105.8加10等于3加多少?答案:156.13加2等于多少加6?答案:157.8加7等于多少减去3?答案:128.10加2等于10加多少?答案:29.8加6等于19减去多少?答案:710.10加3等于多少减去5?答案:1311.10加2等于15减去多少?答案:712.8加8等于多少加3?答案:1613.8加10等于多少加1?答案:1814.23加15等于9加多少?答案:2915.6加10等于19减去多少?答案:316.7加9等于8加多少?答案:817.8加4等于1加多少?答案:1118.5加8等于多少加6?答案:1319.6加10等于5加多少?答案:1120.10加10等于3加多少?答案:1721.8加8等于多少加9?答案:1622.10加8等于3加多少?答案:1523.8加5等于16减去多少?答案:324.10加9等于4加多少?答案:1525.5加5等于18减去多少?答案:8。

【免费】小学一年级数学上册20以内“括号填数”练习(2套全)

【免费】小学一年级数学上册20以内“括号填数”练习(2套全)

矿产资源开发利用方案编写内容要求及审查大纲
矿产资源开发利用方案编写内容要求及《矿产资源开发利用方案》审查大纲一、概述
㈠矿区位置、隶属关系和企业性质。

如为改扩建矿山, 应说明矿山现状、
特点及存在的主要问题。

㈡编制依据
(1简述项目前期工作进展情况及与有关方面对项目的意向性协议情况。

(2 列出开发利用方案编制所依据的主要基础性资料的名称。

如经储量管理部门认定的矿区地质勘探报告、选矿试验报告、加工利用试验报告、工程地质初评资料、矿区水文资料和供水资料等。

对改、扩建矿山应有生产实际资料, 如矿山总平面现状图、矿床开拓系统图、采场现状图和主要采选设备清单等。

二、矿产品需求现状和预测
㈠该矿产在国内需求情况和市场供应情况
1、矿产品现状及加工利用趋向。

2、国内近、远期的需求量及主要销向预测。

㈡产品价格分析
1、国内矿产品价格现状。

2、矿产品价格稳定性及变化趋势。

三、矿产资源概况
㈠矿区总体概况
1、矿区总体规划情况。

2、矿区矿产资源概况。

3、该设计与矿区总体开发的关系。

㈡该设计项目的资源概况
1、矿床地质及构造特征。

2、矿床开采技术条件及水文地质条件。

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