问题
解答题
计算: (1)(
(2)(-2
(3)(
(4)
(5)
(6)
|
答案
(1)(
)2=7;7
(2)(-2
)2=28;7
(3)(
)2=5 2 5 4
(4)
=10-2
=1 100
;1 10
(5)
-((-17)2
)2=17-13=4;13
(6)
=132-52
=169-25
=12.144
计算: (1)(
(2)(-2
(3)(
(4)
(5)
(6)
|
(1)(
)2=7;7
(2)(-2
)2=28;7
(3)(
)2=5 2 5 4
(4)
=10-2
=1 100
;1 10
(5)
-((-17)2
)2=17-13=4;13
(6)
=132-52
=169-25
=12.144