问题
解答题
计算:(1)(5
(2)(-3)0+|1-
(3)(3+2
|
答案
(1)原式=
=(20
-23
)÷3 3
=18
÷3 3
=18;
(2)原式=1+
-1+2 2 2
=
;3 2 2
(3)原式=(29+12
)-(29-125
)5
=24
.5
计算:(1)(5
(2)(-3)0+|1-
(3)(3+2
|
(1)原式=
=(20
-23
)÷3 3
=18
÷3 3
=18;
(2)原式=1+
-1+2 2 2
=
;3 2 2
(3)原式=(29+12
)-(29-125
)5
=24
.5