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小学数学四则运算——简便运算大汇总
简便运算
4+3.2+5+6.8 25×(8×0.4)×1.25 7-(2-)
(++)×72 93.5÷3÷
1125-997 998+1246+9989 (8700+870+87)÷87
125×8.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85)
3.4×99+3.4 4.8×1.01 0.4×(2.5÷73)
(1.6+1.6+1.6+1.6)×25 (+-)÷
12.3-2.45-5.7-4.55 ÷2+× 0.125×0.25×64
64.2×87+0.642×1300 78×36+7.8×741-7 ×17+×8
×+0.125×+0.5 2.42÷+4.58×-4÷3 25÷100
4.25-3-(2-1) 3.8÷3.9+3.9÷0.1+0.1÷3.9 12.1-(+)×105
-(+ )× × - ÷4
×[1÷( + )] [ -(- )]×
+ × + 1 - ÷ -
× + ÷4 5 -( ÷+ )
4-(2.5+1.9)×(0.5-0.5) 4-2.5+1.9×(0.5-0.5)
4-2.5+1.9×0.5-0.5 [4-(2.5+1.9×0.5)]-0.5
[4-(2.5+1.9) ×((0.5-0.5) [4-(2.5+1.9) ×0.5]-0.5
12-4-2-5-12.5% 0.125×+×8.25+12.5%
(+)÷ 2.5××0.4×2
15-2.25-7 ×[+(-)÷]
10×[(-0.5) ÷] (2.7-4.25×)÷2.8×
1.25+1×7.4+125%÷ 10-4.68÷7.2+0.05
1×(5÷-÷5) 18.09×[(1.5+2)÷3.75-]
0.84÷0.3÷(1.96×18.9) -(0.15+) ÷1.8 1325+540÷18×15
2.5÷8+9.5×+4×0.125 [2.1+7÷(3-1.625)] ×1
2.5×-2.1÷+9.63 (7+7×2+7)÷4 3.8+1+6.2+3
×[(4-3.5) ÷] (2+-1)×12 2.5÷8+3.5×+0.125
(9.5+9+9+9.5) ×12 3-(1+÷1)×1
[(0.05+)÷0.25-]×125% 5.35×0.25+2.65×
(3+-2)÷(1÷80%) (4.2÷0.7+6×)×
0.8×32.5×12.5 7.6×9.9×0.01 8.32×0.58-0.32×0.58
1.25÷5+0.25×20 10.69-2.5×2.4 0.3×2.5×0.04
8.4×57+8.4×42+8.4 13÷0.65÷2 7.2×10.1-7.2
1.2×2.5+2.8×2.5 32×0.65+3.2×3.5 ×÷15
25×(4+) 60×(+-) ×0.35+0.65÷
0.25×37.5%+× 25%×+×25% ÷÷
×0.35+0.65÷ ÷4÷ +÷
5÷-÷5 2-÷- ×1000-
(+)×15 ×+÷9 32÷÷
+++ +(+) ÷(3--)
×× (+)×28 ×+×
3-÷ ×÷
× + ÷11 (-)÷
()÷
()-()-() ()-()
12.06+5.07+2.94 30.34+9.76-10.34 ×3÷×3 25×7×4
34÷4÷1.7 1.25÷×0.8 17+-7 1--
,
41.06-19.72-20.28 7-3+ 8+2- 11+7+3
700÷14÷5 18.6÷2.5÷0.4 13×÷
29÷×
5.68+(5.39+4.32) 19.68-(2.97+9.68) 7+(-)
5-(-)
1.25×(8÷0.5) 0.25×(4×1.2) 1.25×(213×0.8) 0.74÷(71×)
24×(---) (12+) ×7 (7-)× 9.3÷(4÷)
0.92×1.41+0.92×8.59 ×-× 1.3×11.6-1.6×1.3 ×11.6+18.4×
9999+999+99+9 4821-998 3.2×12.5×25 1.25×88
7.6÷0.25 3.5÷0.125 3.8×9.9+0.38 ×103-×2-
(13×8)×125 3700-2185-815 20×(17×5)
4×7×25×3
14×20×5 25×(40×32) (5×7)×80 4×9×25
8×14×125×6 16×25×5×4 259+468+741+532 23×4×5
40×7×3×5 25×6×4×5 25×(6×4)
(8×6)×125
102×7.3÷5.1 3.6×0.25 2.6×9.9
1.06×2.5×4
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