=(24*5)*(76*5)
=120*380
=45600
先算简单的,把24*5加括号乘以76*5也加括号,先算括号里的,这两个的得数都带0,算起来比较简单。然后再计算两个带0的数,把0去掉就算两个数相乘,得数为456,再加上两个0
24Ⅹ5Ⅹ76X5的简便运算
24Ⅹ5Ⅹ76X5
=24Ⅹ25Ⅹ76
=(25×4)Ⅹ(76X6)
=100×456
=45600
24Ⅹ5Ⅹ76X5的简便运算
24X5X76X5
=4x6x(5X5)x76
=4X25X6X76
=100x6X76
=600X76
=45600