999*8+111*28简便方法

贝官江5132999*8+1111*二八用简便方法计算 -
孔雁疮13975519007 ______ 999*8+1111*28简便计算 =111x9x8+(1110+1)x28 =111x72+1110x28+1x28 =111x72+111x10x28+28 =111x(72+280)+28 =111x352+28 =111x(300+52)+28 =111x300+111x52+28 =33300+(5772+28) =33300+5800 =39100

贝官江51329999x8+1111x28 简便计算 -
孔雁疮13975519007 ______ 9999x8+1111x28 =1111*9*8+1111*28 =1111*72+1111*28 =1111*(72+28) =1111*100 =111100

贝官江51329999*8+111*28的简便算法 -
孔雁疮13975519007 ______[答案] 9999*8+111*28 =(10000-1)*8+ (100+10+1)*28 =80000-8+2800+280+28 =80000+2800+280+20 =80000+2800+300 =80000+3100 =83100 当然,题目如果是:9999*8+1111*28,那么: 9999*8+1111*28 =1111*72+1111*28 =1111*100 =111100

贝官江5132999x8+111x28的简便计算 -
孔雁疮13975519007 ______ 999x8+111x28=999x8+111x4x7=7992+444x7=7992+3108=11100

贝官江5132简便计算 999*8+111*28 3048/(1016/18)
孔雁疮13975519007 ______ 999*8+111*28=226884终于笔算出来了

贝官江5132用简便方法计算99*28 -
孔雁疮13975519007 ______ 99*28=(100-1)x28=100x28-28=2800-28=2772 祝天天向上.

贝官江5132999*8+111*28你会用简便方法计算这题吗? -
孔雁疮13975519007 ______ 999*8+111*28 =111x72+111x28 =111x(72+28) =111x100 =11100 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问.谢谢.

贝官江513228x111+999x8怎样简便计算 -
孔雁疮13975519007 ______ 你好同学,28x111+999x8怎样简便计算28x111+999x8=28*111+111*9*8=28*111+111*72=111*(28+72)=111*100=11100数学简便方法提取公因式这个方法实际上是运用了乘法分配律,将相同因数提取出来,考试中往往剩下的项相加减,会出...

贝官江5132你会用简便方法计算下面各题吗?分析. 360*52+480*36 999*8+111*28 -
孔雁疮13975519007 ______ 360*52+480*36 =36*520+36*480 =36*(52+48) =36*100 =3600

贝官江513228*111+999*8简便方法计算 -
孔雁疮13975519007 ______[答案] =111✘(28+72)=11100