2.55乘1.5乘1加6.45乘1.5怎么算(简便运算)
问题描述:
2.55乘1.5乘1加6.45乘1.5怎么算(简便运算)
答
=1.5×(2.55+6.45)
=1.5×9
=13.5
2.55乘1.5乘1加6.45乘1.5怎么算(简便运算)
=1.5×(2.55+6.45)
=1.5×9
=13.5