xqzz.net
当前位置:首页 >> 7.5×3.5 0.75×35=?用简便计算 >>

7.5×3.5 0.75×35=?用简便计算

7.5×3.5 +0.75×35 =7.5x(3.5+3.5) =7.5x7 =52.5

原式 =1.35x0.75-0.35x0.75 =(1.35-0.35)x0.75 =1x0.75 =0.75 供参考。

0.75×13+7.5×8.7 =0.75×13+0.75×87 =0.75×(13+87) =0.75×100 =75

5.7*7.5-0.75*37简便计算 =5.7x7.5-7.5x3.7 =7.5x(5.7-3.7) =7.5x2 =15

6.26×7.5+0.75×37.4 =6.26×7.5+7.5×3.74 =(6.26+3.74)×7.5 =10×7.5 =75

7.5×32+0.75×320的简便计算 =7.5x(32+32) =7.5x8x8 =60x8 =480

0.75+7.5*0.9 =7.5X0.1+7.5X0.9 =7.5X(0.1+0.9) =7.5X1 =7.5

7.5╳0.43+0.75╳4.3用简便方法计算 =0.43×(7.5+7.5) =0.43×15 =6.45

4.7×(7.5+3.5-1) =4.7×10 =47

6.25×7.5+0.75×37.4 =6.25×7.5+7.5×3.74 =7.5×(6.25+3.74) =7.5×9.99 =7.5×(10-0.01) =7.5×10-7.5×0.01 =75-0.075 =74.925

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