320x[840÷(240一212)]的简便算

320x[840÷(240一212)]的简便算
2025-04-28 13:56:06
推荐回答(2个)
回答1:

320×[840÷(240-212)]
=320×840÷28
=320×30
=9600

回答2:

320x[840÷240+212]
=320x[35+212]
=320x247
=79040