46.3乘0.56加5.38乘5.6减0.056的简便运算

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46.3乘0.56加5.38乘5.6减0.056的简便运算

=46.3×0.56+53.8×0.56-0.1×0.56
=(46.3+53.8-0.1)×0.56
=100×0.56
=56

把0.56,0.056和5.6统一为一个数字,提出相应的10倍或百倍因子

=46.3×0.56+53.8×0.56-0.1×0.56=(46.3+53.8-0.1)×0.56=100×0.56=56