2.46×0.8+1.23×0.4的简便运算

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2.46×0.8+1.23×0.4的简便运算2.46×0.8+1.23×0.4的简便运算2.46×0.8+1.23×0.4的简便运算2.46×0.8+1.23×0.4=2.46×0.8+1.23×2×

2.46×0.8+1.23×0.4的简便运算
2.46×0.8+1.23×0.4的简便运算

2.46×0.8+1.23×0.4的简便运算
2.46×0.8+1.23×0.4
=2.46×0.8+1.23×2×0.2
=2.46×(0.8+0.2)
=2.46×1
=2.46