18×50+82×5用简便方法计算

18×50+82×5用简便方法计算
2025-02-24 02:17:52
推荐回答(5个)
回答1:

18×50+82×50
=(18+82)×50
=100×50
=5000
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回答2:

18×50+82×5
=180×5+82×5
=262×5=1310

回答3:

18×50+82×5
=18×5×10+82×5
=(18×10+82)×5
=262×5
=1310
或者
18×50+82×5
=18×50+8.2×50
=(18+8.2)×50
=26.2×50
=1310

回答4:

(20-2)×50+(80+2)×5
=20×50-2×50+80×5+2×5
=1000-100+400+10
=1310

回答5:

18×50+82×5
=180×5+82×5
=(180+82)×5
=262×5
=1310