发布网友 发布时间:2024-09-28 04:32
共0个回答
63×780+370×78 =780×(63+37)=780×100 =78000。
6.3×78+3.7×78简便方法?6.3×78+3.7×78 =(6.3+3.7)×78(用到了乘法分配律,把公共因数78放在外面,剩下的全部放在括号里面)=10×78 =780 敬请采纳谢谢!
86x780一56Ox78简便计算回答:780×(86+56)=110760
780除以3x3x78简便算法=780x1x78 =780x80-780x2 =62400-1560 =62400-2000+440 =60840
4.28x78 十5.72x78用简便方法计算4.28x78 十5.72x78 解:简便计算 =78x(4.28+5.72) 运用乘法分配律 =78x10 =780 祝学习进步。
780x62=用简便方法算经济数学团队为你解答,满意请采纳!
78X63估算怎样7.8x6.3 0.37x78怎样简便算 7.8x6.3+0.37x78 =7.8x6.3+3.7x7.8 =7.8x(6.3+3.7) =7.8x10 =78 78x57+78+78x42怎样简算 =78x(57+1+42) =78x100 =7800 338x63一138x63的简便用算 338x63一138x63 =(338一138)x63 =200x63 =12600 308x8估算= ...
780X23十78X770简便计算?780X23十78X770 =78Ⅹ10X23十78X770 =78Ⅹ(230+770)=78Ⅹ1000 =78000
780×43+570×78简便方法计算?780x43+570×78简便方法计算?780×43+570×78 =780×43+57×780 =780×(43+57)=780×100 =78000 祝你好运!
780x6900用简便方法7800×6900 =78×69×10000 =5382000 这是答案,希望可以帮到你,