六年级简便计算练习题答案
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六年级简便计算练习题答案
用简便方法计算下面各题。(90分.4×20+5×2)
1125-997 998+1246 4+3.2+5+6.8 12-(1+2)
400÷125÷8 25×(37×8)3132527252
=1125-(1000-3) =(998+2)+(1246-2) =(4+5)+(3.2+6.8)=12-2-1
=1125-1000+3 =1000+1244 =10+10=20 =10-1=8
=400÷1000= =200*37=7400 727552
=125+3=128 =2244
(-)×12 1×2× 34×(2+) 125×8.8 4.35+4.25+3.65
+3.75 3.4×99+3.4416143154743413
=(-)*12 =×2× =34×2+34× =125*(8+0.8) =(4.35+3.65)+
(4.25+3.75)=3.4*(99+1)24624447154743413
=*12 =(×)*2 =68+13 =125*8+125*0.8 =8+8=16
=3.4*100=3402424774154
=1 =1*2=2 =81 =1000+100=1100154154
17.15-8.47-1.53 17-3-4 ÷2+× 0.125×0.25×32
22.3-2.45-5.3-4.55654365975111592
=17.15-(8.47+1.53) =17-4-3 =÷+× =**32
=22.3-5.3-(2.45+4.55)65654397511115928141
=17.15-10 =13-3=9 =*+× =1
=17-7=1043419711511592
=7.15 =(+)×=9792115115
(++)×72 4.25-3-(2-1) 187.7×11-187.7 43×+57.125×-0.5
×(-÷) 1211187245656143872121
=×72+×72+×72 =4+1-(3+2) =187.7*(11-1) =43×+57×- =
×(-*)121118724541436561872181212134
=11*6+7*4+5*3 =6-6=0 =1887 =(43+57-1) =*(-)218781154972
=66+28+15 =*100=50
=*=2115497357
=109
2.42÷+4.58×-4÷3 ×6.6+2.5× -- 4.6+++5.4
2.8++7.2+ -(+)43311
=2.42*+4.58×-*1 =2*6+2*6 =-(+) =4+3+6+5 =(2.8+7.2)+5+3= --34343421532153535253529495512
=(2.42+4.58-1) =2*2*6 =-8=3 =4+5+(3+6)=10+9=19
=2- =13421538753525253127
=*6=8 =10+10=2034
+2.25++ ++ -+ +-++ 0.75+++0.375 5--13
17
=4+2+5+7 =++ =+- =+-+(+)=+++ =5-(+)8341854343854183
=4+5+(2+7)=10+ =70-- =+5=5 =++(+)
=2 =5-4=183854143747443418583
=10+10=20 =14 =537573
4
5
++++ 48.3-- ×4.25+÷6 0.625×0.5++×62.5% ×÷ +(-1.8) =(1+9+99+999+9999) = 48.3-(+)=9*4+4* =*+** =÷× =+(-1)654141618521852
1
8554 =11107 =48-20=28 =(9+)*4 =*(++1) =1×= =-1+10310365614185212
1
54247
=10*= =15+=18417285543513
2.5×(+++) 22×+25×75%-7×0.75 0.25×6
3.5-× ×2.5-× +3.125++ 1125-996 =2*4* =22*+25*-7* =*63-*13 =6*2-2*4 =++(3+)=1125-(1000-4)
2110943434341214121157212115781
=*4*=10*=9 =(22+25+7)*= =*(63-13) =(6-4)*2 =5+5=10 =1125-
1000+4251091094327141212115715721
=*50=12 =2*=5 =125+4=129412125
(111+999) ÷[56×(-)] 49.5×-(50-)×0.6 ×+÷+ 45×(+-0.6) 897×-37.5%+104×0.375 =[110+(1+999)]/(56×-56×)=49*-49× =×+*+ =45*(+-) =897×-+104×
21539715453838383 =(110+1000)÷(24-21) =49(10-) =(++1) =45*+45*-45* =(897-1+104)×
215353971545383
=1110* =49*10=495 =*11=7 =35+12-27=20 =(896+104)×=1000×
=37531218383
31
4
×(-5.375) 3.5×+1.25×+3.8÷ 72×156-56×72 25×32×125 709×99+709 299×101 =*(5-5) =3*1+1*2+3* =72*(156-56) =25*(8*4)*125 =709(99+1)
41383832141411075445
=0 =(3+2+3)* =72*100 =25*8*(4*125) =709*100211075
4
45 =(+2+)* =7200 =200*500=100000 =709002710
7
51945