Question

12✘260+180✘26怎么用简便方法计算？

Answer 1

解早镇档答:根据题意: 26(12x10十180)
=26(120十180)二陆乱26×300
二7800
所以旅坦简便运算结果: 7800

Answer 2

12×260+180×26
=12×260+18×260
=（12+18）×260
=30×260
=7800
或者闷羡仿
12×260+180×26
=120×26+180×26
=（120+180）蚂纤派拍×26
=300×26
=7800

Answer 3

=12*26*10+180*26
=120*26+180*26
=（120+180）*26
=300*26=7800

Answer 4

12✘260+180✘铅陪哪槐码乱纳26
=（12X10X26)+180X26
=120X26+180X26
=(120+180)X26
=300x26
=7800

Answer 5

12×260+180×26
=120×26+180×26
=26×（120+180）
=26×300
=7800