76.5x25-314x2.5简算
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76.5x25-314x2.5
=76.5×25-31.4×25
=（76.5-31.4）×25
=45.1×25
=45.1×5×5
=225.5×5
=1127.5
咨询记录 · 回答于2022-05-11
76.5x25-314x2.5简算
76.5x25-314x2.5=76.5×25-31.4×25=（76.5-31.4）×25=45.1×25=45.1×5×5=225.5×5=1127.5
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