问题
解答题
(1)3×(-22)÷(
(2)
|
答案
(1)3×(-22)÷(
-1 2
)×1 3 1 6
=3×(-4)×6×
(2分)1 6
=-12(1分)
(2)原式
=3-3+
(2分)3
=
(1分)3
(1)3×(-22)÷(
(2)
|
(1)3×(-22)÷(
-1 2
)×1 3 1 6
=3×(-4)×6×
(2分)1 6
=-12(1分)
(2)原式
=3-3+
(2分)3
=
(1分)3