三一文库（www.31doc.com）/小学五年级
〔小学五年级数学上册简便计算专项练
习〕
一、简便计算。
2.5×3.6×0.9 12.5×0.3×8.8 1.25×(100-8) 2.06+2.06×999.5×101 42÷(5.25÷0.25) 1.2×98 2.4×1.25×0.350×(6.7×0.02) 0.27×99+0.27 2.5×3.2×0.125 3.4×1.016.5×1.98 6.8×0.75÷0.5 1.53+23.4÷7.2 4.7×11-4.74.8+5.2÷4 2.85÷1.25÷0.8 10.5×0.25×12 4.05÷0.5-1.141.58×99+1.58 12.5×0.4×2.5×8 0.87×3.16+4.64 12.5×4.812.5×3.2×0.25 3.45×102 12.5× 88 13.65÷0.25÷628.98÷6.3 -3.15 二、运算定律。
6.8÷(1.2+0.5)×0.04 7.26-5.4+1.74-1.6 100-2.7÷0.36-2.5×50.46×1.9+0.54×1.9 20.64-9.83-0.17 7.75×[20÷(3.24-3.04)]23.4÷7.2+6.5×0.8 4.7×4.7+4.7×6.3-4.7 3.2×0.82+3.2×1.1822.9-13.68+12.68 4.2×7.8+2.2×4.2 43.2-1.8×3-4.610.01-2.78+1.59
第 1 页 共 2 页
5.37-(2.37+1.8) (20-0.8×9) × 5.713.75÷0.125–2.75 28.8×6.3-6.3×18.8 8.4-8.4×1.5÷1.8 三、混合连式。
(1.62+1.62+1.62+1.62)÷1.8×2.5 2.8×0.5+0.5×28.2-0.5 3.2×2.5×1.25 (93) 7.2÷[(7.22-6.4)÷0.9] 4.65×32+2.5×46.5+0.465×430 7.25×67.875+725×0.7875+7250×0.053375 0.4+12.6÷0.28×0.2 0.8×13-3.12+5.28 118-(11.4-12.5×0.8) 12.5×4.5+4.5×12.5+12.5 (0.25+2.5+25)×0.4 3.5×1.02+35×0.098 13.5÷2.5÷0.125÷0.4÷8 2.61×4.5+2.61×6.5-2.61
第 2 页 共 2 页