-3-[-5+(1-0.2×3⼀5)×(-1又3⼀22)]

2024-12-16 11:50:28
推荐回答(4个)
回答1:

-3-[-5+(1-0.2×3/5)×(-1又3/22)]
=-3-【-5+(1-0.12)×(-25/22)】
=-3-【-5-0.88×25/22】
=-3-【-5-1】
=-3+6
=3

回答2:

-3-[-5+(1-0.2×3/5)×(-1又3/22)]
=-3-[-5+(1-1/5×3/5)×(-25/22)]
=-3-[-5+(22/25)×(-25/22)]
=-3-[-5+(-1) ]
=-3-(-6)
=3

回答3:

借你个计算机,自己算呗!!!!

回答4:

等于3