问题
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用简便方法计算.1.25×4×2.5×0.88.08×1.252.5×(40--0.4)99×0.453.7×4.3+3.7×1.2+3.7×4.5.
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用简便方法计算.0.3×2.5×0.40.78×1012.5×(8+0.4)1.25×0.7×0.89.8×2.550.8×101-50.84.6×99+4.60.25×32×0.125
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用简便方法计算下面各题,要写出计算过程.①1.25×0.25×32②0.2×60.4+60.4+9.8.
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用你喜欢的方法计算下列各题.(1)3.6+(7.43-3.83)×2.5 (2)100×9.5×0.98+9.5×2(3)54.3×1.8+54.3×0.3-54.3×0.1
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用简便方法计算. ①1.25×0.25×32②0.25×3.78×4③6.74×10.1④0.85×99⑤6.8×3.7+6.8×6.3.
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用简便方法计算,写出简算过程(1)2.5×3.2×1.25(2)4.05-(2.05+527)(3)5.39+127+4.61+57(4)0.588×123+4×9.412+