Question

65×8+7×65-65×5怎么简便运算？

Answer 1

Answer 2

追答

Answer 3

这个。。。。=65*（8+7-5）=650

Answer 4

65乘五分之二等于六十分之二

Answer 5

65×8+7×65-65×5怎么简便运算？
=65x(8+7-5)
=65x10
=650