1.25×49-1.25怎么简便计算
1.25×49-1.25 =1.25×(49-1)=1.25×48 =60
1.25x49-1.25的简便计算
1.25x49-1.25的简便计算:原式=1.25x49-1.25 =1.25x(49-1)=1.25x48 =1.25x8x6 =10x6 =60
1·25×49-1·25简便算式
如下:1.25×49+1.25 =1.25x(49+1)=1.25x50 =62.5 简算方法:裂项法 分数裂项是指将分数算式中的项进行拆分,使拆分后的项可前后抵消,这种拆项计算称为裂项法。常见的裂项方法是将数字分拆成两个或多个数字单位的和或差。遇到裂项的计算题时,要仔细的观察每项的分子和分母,找出每项分子...
1.25*49-1.25简便方法
=1.25-(49-1)=1.25*48 =1.25*8*6 =10*6 =60
用简便运算1.25x49+1.25
=1.25*(49+1)=1.25*50 =62.5
1.25乘49加一点二五的简便运算查保持简便幸福就能和观察广告
1.25×49+1.25=1.25×(49+1)=1.25×50=62.5
1.25×49 1.25的简便计算怎么写
1.25×49+1.25 =1.25×49+1.25×1 =1.25×(49+1)=1.25×50 =(1.25÷2)×(50×2)=0.625×100 =62.5
1.25x49x1.25简便计算?
巧算1.25×49×1.25 解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行 解题过程:1.25×49×1.25 =1.25×7×(7×1.25)=8.75×8.75 =76.5625
1.25×49+1.25脱式计算
1.25×49+1.25 =1.25×(49+1)=1.25×50 =62.5
1.25乘以9减1.25怎么简算?
1.25×9-1.25简便计算 =1.25×(9-1)=1.25×10-1.25×2 =12.5-2.5 =10