350×33+65×330怎么巧算(
350×33+65×330怎么巧算 -
=350×33+650×33 =(350+650)×33 =1000×33 =33000
350×33+65×330巧算350×33+65×330 =35×330+65×330 =(35+65)×330 =100×330 =33000
=350×33+650×33 =(350+650)×33 =1000×33 =33000
350×33+65×330巧算350×33+65×330 =35×330+65×330 =(35+65)×330 =100×330 =33000
350*43+430*65 =350x43+43x650 =(350+650)x43 =1000x43 =43000 ,你好,本题已解答,如果满意请点右上角“采纳答案”。
38乘350 =2*350*19 =700*19 =13300
350×24 35×750 35巧算 -
350×24+35×750+35 =35×240+35×750+35 =35×(240+750+1)=35×(1000-10+1)=35000-350+35 =34685。
350X27十65X270 =350X27十650X27 =27×(350+650)27×1000 =27000
36乘350加35乘640怎样巧算 -
36*350+35*640 =360*35+640*35 =35*(360+640)=35*1000 =35000
如图为过程,
64×330 +640×67怎么巧算? -
64×330 +640×67怎么巧算解题思路:简便运算核心是运用加法和乘法各种定律进行计算,计算出整数部分方便后续计算的过程解题过程:64×330 +640×67= 640×(33+67) 640×100=64000 感谢的的求助,存疑请追问,满意请采纳,
35乘370加350乘63 =35x370+35x630 =35x(370+630)35x1000 =35000