能用简便运算必须简便运算 (1)= (2)4×(-+)×(-10) = (3)-(-52)+|-2| ÷-22= (4)13...

2023-07-01 13:31发布

这道初中数学的题目是:
能用简便运算必须简便运算
(1)= (2)4×(-+)×(-10) =
(3)-(-52)+|-2| ÷-22= (4)137×―(―137)×+×(-137) =
(5)= (6)6÷()=
1条回答
大健康
1楼-- · 2023-07-01 13:58
这道初中数学题的正确答案为:
(1)解:原式=
                      =
                     =3+3=6
(2)解:原式=4×(-10) ×(-+)
               =-32+30-20
               =-22
(3)解:原式=25+2×-4
                     =25-3-4
                    =18
(4)解:原式=137×(+-
                      =137×0
                     =0
(5)解:原式=-2+-2
                       = -4+
                       = -3
(6)解:原式=6÷(
                       =6÷2
                       =3
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