hyqd.net
当前位置:首页 >> 125x82用简便计算. >>

125x82用简便计算.

125*(80+2) =10000+250 =10250

125×82 =125×(80+2) =125×80+125×2 =10000+250 =10250

(125x17)x82 =(125x17)x80 + (125x17)x2 =10000x17 + 250x17 =170000 +4250 =174250

125x82-125x2 =125*(82-2) =125*80 =10000

用简便方法计算(125十25)x82 (125十25)x82 =82*(100+50) =82*100+82*50 =8200+4100 =12300

29×82+29×18 =29×(82+18) =29×100 =2900

43×15+82×15 =(43+82)×15 =125×15 =1875 你好,本题已解答,如果满意,请点右上角“采纳答案”。

77x82、 =77*(80+2) =77*80+77*2 =6314 66x91 =66*(90+1) =66*90+66*1 =6006

25×82=25×(80+2) =25×80+25×2 =2000+50 =2050 101×99=(100+1)×99 =100×99+1×99 =9900+99 =9999 你好,本题已解答,如果满意,请点右上角“采纳答案”,支持一下。

用简便方法运算 18x97十98x82 =18x97十97x82+1×82 =97×(18+82)+82 =97×100+82 =9782

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