99×7.56+7.56 (0.125+1.25+12.5)×8两个都简便要过程
问题描述:
99×7.56+7.56 (0.125+1.25+12.5)×8两个都简便
要过程
答
99×7.56+7.56
=(99+1)x7.56
=100x7.56
=756
(0.125+1.25+12.5)×8
=0.125x8+1.25x8+12.5x8
=1+10+100
=111