用梯等式计算(怎样算简便就怎样算)43.01减17.82加2.18
问题描述:
用梯等式计算(怎样算简便就怎样算)43.01减17.82加2.18
答
43.01-17.82+2.18
=43.01-(17.82+2.18)
=43.01-20
=23.01