www.fltk.net > 三分之二乘以三分之一除以 括号五分之四减十五分子八

三分之二乘以三分之一除以 括号五分之四减十五分子八

2/3×1/3÷(4/5-8/15) = 2/3×1/3÷4÷(1/5-2/15) = 2/3×

1/4*{4.85/(5/18)-3.6+6.15*[3+(3/5)]} =四分之一*{四又二十分

简便计算 5/8-1/4×(8/9÷2/3) =5/8-1/4×4/3 =5/8-1/3 =

=3/8÷3/10 =1又1/4

1÷(4/5×2/3-1/5) = 1÷ (8/15-1/5) = 1÷ (8/15-3/15)

1题 1/2÷4/5÷(2/9×3/8) =1/2×(5/4×12) =1/2×15 =7.5 2题

网站地图

All rights reserved Powered by www.fltk.net

copyright ©right 2010-2021。
www.fltk.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com