Question

38×63+38×37怎么简便计算

Answer 1

38×63+38×37
运用乘法分配律
=（63+37）x38
=100x38
=3800
祝学习进步。

Answer 2

38×63+38×37
=38x(63+37)
=38x100
=3800

Answer 3

38*（63+37）
“*”为乘以