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数学
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11*37*999*7如何简便运算
人气:433 ℃ 时间:2020-03-27 12:22:54
解答
题好像错了
我见过这个:
999*7+11*37
=1000*7-7+10*37+37
=7000+370+37-7
=7370+30
=7400
如果是你的式子:
=11*111*7*(37*9)
=11*111*7*333
……照一般的简算规则算不下去了
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