乘号前的数字是被乘数,乘号后的数字是乘数。5乘以3就是5的连加,要连加三次。
3乘以5,就是3的连加,连加5次。
乘号前的数字是被乘数,乘号后的数字是乘数。5乘以3就是5的连加,要连加三次。
3乘以5,就是3的连加,连加5次。
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