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小数乘法简便计算练习题
(0.25×16.2×4 (1.25-0.125)×8 3.6×102
3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 4.8×10.1
4.8×7.8+78×0.52 56.5×99+56.5 0.32×403
7.09×10.8-0.8×7.09 4.2×99+4.2 1.25×2.5×32
3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7
27.5×3.7-7.5×3.7 0.65×101 3.2×0.25×12.5
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