(-5/6)×83+(-5/6)×(-13)-(-5/6)×28简便算法balabalabalabalabalabalabalab_数学解答

(-5/6)×83+(-5/6)×(-13)-(-5/6)×28简便算法
balabalabala
balabalabala
balabalabala
蟹蟹各位了

人气：215 ℃　时间：2020-05-19 15:16:24

解答

加法分配率算简单
(-5/6)×83+(-5/6)×(-13)-(-5/6)×28
=（-5/6）x(83-13-28)
=(-5/6)x42
=(-5)x7
=-35