knrt.net
当前位置:首页 >> 7/8×0.375+3/8÷8/9简便计算 >>

7/8×0.375+3/8÷8/9简便计算

7/8×0.375+3/8÷8/9 =7/8×3/8+3/8×9/8 =(7/8+9/8)×3/8 =2×3/8 =3/4

8分之7乘以0.375加8分之3除以九分之8 =8分之7乘以8分之3加8分之3乘以8分之9 =8分之3乘以(8分之9+8分之7) =8分之3乘以2 =4分之3 =0.75

0.375×3/7+5/8×3/7 =0.375×3/7+0.625×3/7 =3/7×(0.375+0.625) =3/7×1 =3/7

5.5545418

3/8-0.375x3/7 =3/8 - (0.5-0.125)x3/7 =3/8-(1/2 - 1/8)x3/7 =3/8-1/2x3/7+1/8x3/7 =3/8+1/8x3/7-1/2x3/7 =3/8(1+1/7)-1/2x3/7 =3/8x8/7 - 1/2x3/7 =3/7-1/2x3/7 =3/7x(1-1/2) =3/7x1/2 =3/14

3/8-0.375×4/7-37.5%×3/7 =0.375-0.375×4/7-0.375×3/7 =0.375×(1-4/7-3/7) =0.375×0 =0

0.125×3/8+0.375×7/8用你喜欢的方法计算 解: 0.125×3/8+0.375×7/8 =1/8×3/8+3/8×7/8 =3/8×(1/8+7/8) =3/8×1 =3/8

2/9×(3/8)+ 0.375+ 7/9×37.5% =2/9×0.375+ 0.375+ 7/9×0.375 =(2/9 +1 + 7/9)×0.375 =2×0.375 =0.75

网站首页 | 网站地图
All rights reserved Powered by www.knrt.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com