四年级下册数学同步练习-3单元1课时-三位数乘两位数-苏教版解析
http://t.cn/Ri466E4新苏教版小学数学四年级下册《三位数乘两位数》同步练习及参考答案一、填空。1.三位数乘两位数,积最多是()位数,最少是()位数。【解析】:积最大是:999×99=98901,98901是五位数,积最多就是五位数;积最小是:100×10=1000,1000是四位数,积最少是四位数。【答案】:五,四2.365的14倍是()【解析】:365×14=5110;【答案】:51103.算式4ab×3c表示三位数乘两位数,它的积是()位数。【解析】:三位数和两位数相乘,所得的积是四位数或五位数,现在三位数百位上是4,两位数十位上是3,三四十二,12满十一,那它们的积应该是...
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