作业帮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：2024/05/04 19:43:25
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