32×21+18=690
690÷23=30
答:正确的商是30.
故答案为:30.
笑笑在计算除法时,把除数23写成32,结果得到的商是21,余数是18.而正确的商应是_.
笑笑在计算除法时,把除数23写成32,结果得到的商是21,余数是18.而正确的商应是______.
数学人气:299 ℃时间:2019-10-17 07:49:41
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