43×136/137+136×59/137+70×68/137等于多少

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/20 17:19:28
43×136/137+136×59/137+70×68/137等于多少
x)31>_dW%nhTO;VfKi*u&ڦ@aMTq ]F 1M0Ovg3U `-/|u) OWXܠig zž'i|޲> O=m]tgS7)c!t0DX@

43×136/137+136×59/137+70×68/137等于多少
43×136/137+136×59/137+70×68/137等于多少

43×136/137+136×59/137+70×68/137等于多少
43×136/137+136×59/137+70×68/137
=43×136/137+136×59/137+35x2×68/137
=43×136/137+136×59/137+35x136/137
=(43+59+35)x136/137
=137x136/137
=136

娘啊:就是136啊
这里关键就是只要把70x68变成35x136不就行了!然后就提取公因数不就行了!
=(43x136)/137+(59x136)/137+(35x136)/137
=(43+59+35)x136/137
=(137x136)/137
=136

1.43×136/137+136×59/137+70×68/137
=43×136/137+136×59/137+35x2×68/137
=43×136/137+136×59/137+35x136/137
=(43+59+35)x136/137
=137x136/137
=136
2.这里关键就是只要把70x68变成35x136,然后就提取公因数。<...

全部展开

1.43×136/137+136×59/137+70×68/137
=43×136/137+136×59/137+35x2×68/137
=43×136/137+136×59/137+35x136/137
=(43+59+35)x136/137
=137x136/137
=136
2.这里关键就是只要把70x68变成35x136,然后就提取公因数。
=(43x136)/137+(59x136)/137+(35x136)/137
=(43+59+35)x136/137
=(137x136)/137

收起