六年级小升初数学计算专项练习
1、脱式计算
)]41167(43[2716--? )512.025.18.0(187422÷-?-
41175.112526.043+??? ??-?- 3443654113÷???? ??+÷
20
9÷(21-31+141) [5.3-(4.98-5107)-1501
]÷25%
10165413253÷??????÷??? ??-- 14.15-(877-2017
6)-2.125
1121[()]1625510÷?+ 731
3[5 4.5(20%)]2043÷-?+
112135[()]43259÷-+? 1172[(5 3.6)]31511÷-?
3-87.5%×[551÷(3.25×87
)] [1015+(3.6-522)×1721]÷6
5
÷5+÷2 2.32.192.38.28÷-÷
84×[10.8÷(48.6+5.4)-0.2] ()01.04.03.25.7÷?-
()()[]28.512.3132.01+-?-
()[]5.683.09-?÷
[(541-4.25)×83]÷85
+3.3÷165 9×[1-(52÷209)]÷203-1
73
203×(632×0.8+63
2
×0.2) 7.4×1.3-4.68÷0.9
(2.4×5+8.6×5)÷0.8 4.2)37.553.13(9.60÷++
2、简便计算
6.02162.16.3545.5?-÷+? 107
12.1251.317769.8177÷+?+?
95×25%+1
4×2.2-0.25 ×
+÷13
(
21+31+41-9
1
)×0.36 836354(1)()97111179++÷++
515256
6139131813
?+?+?
922959729845.0739÷+?-?+?
5.62.386508.5?+?
3、解方程
3(x+2)-2 (x-3)=16 3(x+2)-2 (x-3)=16
436521x x -=-- 305
.01
2.01=++-x x
x =27.6-(x+12)×45 3
2(x+9)-21
(x-4)=17
32(x+9)-2
1
(x-4)=17
5(0.2x+7)-2(0.3x -4)=47 1.2x -13.3=16.7-0.4x
2x+6-4(x -5.6)=4.4 6x -12.8×3=0.06
34253-=+-x x x ()()5.24.05.22.1+=-x x
2.1÷(x -0.6)=1.4 ()6.412.68=-x
()103122+=-x x 8.06.12.4-=-x x
(2x -2.5)×4=10 x÷5+9=21
12x=300-4x 9.0)24.2(27=+-x x
x x 3.7483.527-=- 135.68=+÷x
80×25%-1.3x=10.9 x +(x+28)×4
3
=42
32(x+9)-21
(x-4)=17 1.6:(x-209)=3
15
0.8:343=(5-X ):0.75 201+x -10=301-x +31
301.012.01=++-x x X -x 5
3
=513
5.5x 259%36=÷ 2.04
5.03-=
+x x
71
35%20-=
+x x
3)89()9(=-÷÷x x
x x -=?
+4254
)12(
x ÷(3x-1)=
52