五年级数学简便计算练习
简便计算。
(1)7.3×0.+0.36 ×7.3 49×0.126×8 1.01×0.99 0.85×7.5+8.5×0.25 0.05×3.2×40
(2)2.7×3.7+0.37×73 1.5×102 1.25×0.7×0.8
7.09×10.8—0.8×7.09 56.5×99+56.5 (3.5+3.5+3.5+3.5)×2.5 (3)1.6×1.25 17.5×2.3—7.5×2.3 2.6×8.13+2.6×11.87 4.87×2.34+48.7×0.266 0.99×32
(4)5.68÷0.125÷8 1.68÷0.2÷5 1.76×99+1.76
25×7.5×0.4×2 0.8×5.6×1.25 59×0.28+6.2×5.9+5.9 (5)0.99×59 4.2÷0.25 (0.5×12.5)×(2×0.8) 7.4÷0.25÷4 5.8×8.5+5.8×0.5+5.8 2.5×3.38×4 (6)2.5×3.38×4 17.5÷1.25÷8 0.35×201
23.74×8.6—8.6×13.74 52.34÷2.5÷4
(7)2.1÷0.5÷0.6 7.5×36÷7.5 7.5×46.7+52.3×7.5+7.5
4.5÷0.8÷0.125 4×8×0.25×12.5 2.016×1999+2.016 (8)3.2×98 8.4×2.77+0.23×8.4 7.9÷1.25÷8
4.3×2.5×4 4.5÷0.8÷0.125
(9)6.25×0.23+17.7×0.625 25×100.4 7.23×0.125×8÷72.3
1.25×8.8 2.5×(8+0.4)
(10)0.25×2.9×40 12.95+3.86+6.14 4.25×3.7+7.3×4.25—4.25
1.18×2.58+7.42×1.18 1.25×3.2×2.5
(11)(3.7+3.7+3.7+3.7)×2.5 0.125×408 2.36÷2.5÷4 4.87×1.25×8 3.7×9.9
(12)8.56×7.5+85.6×0.25 70.4÷(70.4÷0.25) 10.24÷2.5÷4 9.9÷2.5÷4 96.51×3.1+3.1×4.49—3.1
1 / 1