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

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 16:17:33
(-5/6)×83+(-5/6)×(-13)-(-5/6)×28简便算法balabalabalabalabalabalabalabalabala 蟹蟹各位了

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

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

(-5/6)×83+(-5/6)×(-13)-(-5/6)×28=(-5/6)×(83-13-28)=(-5/6)×42=-35

这都不会,厉害。
(-5/6)乘以【83+(-13)-28】
悬赏金要给我

(-5/6)x(83-13-28)= -35

= (-5/6)x [ 83+(-13)-28 ] (每项中都有(-5/6) 所以把 它提出来)
= (-5/6)x 42 (然后 合并同类项)
= -35