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时间:2020-11-25
《小数乘法简便运算练习.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、小数乘法简便运算练习题0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 0.25×16.2×4 4.36×12.5×8 0.95×0.25×4 35×0.2×0.5 0.75×50×0.4 (1.25-0.125)×8 (20-4)×0.25 (2+0.4)×5 (125+2.5)×0.8 3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 7.6×0.8+0.
2、2×7.6 3.83×4.56+3.83×5.44 7.09×10.8-0.8×7.09 3.9×2.7+7.3 27.5×3.7-7.5×3.7 10.6×0.35-9.6×0.35 4.8×10.1 3.6×102 0.39×199 8.9×1.01 0.32×403 3.65×10.1 0.85×9.9 0.65×101 1.87×9.9+0.187 12.7×9.9+1.27
3、 1.25×2.5×32 3.2×0.25×12.5 0.25×36 25×4.4 8.8×1.25 56.5×99+56.5 9.7×99+9.7 4.2×99+4.2 5.4×11-5.4 6.66×3.3+66.6×67 46×57+23×86 3.14×0.68+31.4×0.032 4.8×7.8+78×0.52 101×0.87-0.91×87 3.65×4.7-36.5×0.37 2.3×16+2.3×23+2.
4、3 5×1.03×0.2 32×1.25 0.45×99 53×10.1 0.125×96 12.5×10.8 25×7.3×0.4 45×21-50×2.1 45×1.58+5.5×15.8 4.2×6.51+3.49×4.2 9.99×2.22+3.33×3.34 7.2×0.2+2.4×1.47.74×(2.8-1.3)+1.5×2.263.9×2.7+3.9×7.346×57+23×8610.7×16.1-15.1×10.71.28×8.6+0.72×8.648×
5、0.56+44×0.480.279×343+0.657×2790.264×519+264×0.4812.5+3.25+0.75+7.5 15.89-(5.89+6.98)4.32-(1.32+2.34)75.6-10.8-9.2 3.62+5.68-3.60+1.32(15.28+28.99)+20.72
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