2.5乘36.7+6.33乘0.28简便方法怎么做

2.5乘36.7+6.33乘0.28简便方法怎么做

2.5×36.7+6.33×0.28
=2×36.7+0.5×36.7+6.33×0.28
=73.4+18.35+6.33×0.3-6.33×0.02
=91.75+1.899-0.1266
=93.5224
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