问题
解答题
计算 (1)(
|
答案
(1)原式=(
+7 9
-5 6
)×(-36)11 12
=
×(-36)+7 9
×(-36)-5 6
×(-36)11 12
=-28-30+33
=-25;
(2)原式=-16÷4+12×(-3)×3
=-4-108
=-112.
计算 (1)(
|
(1)原式=(
+7 9
-5 6
)×(-36)11 12
=
×(-36)+7 9
×(-36)-5 6
×(-36)11 12
=-28-30+33
=-25;
(2)原式=-16÷4+12×(-3)×3
=-4-108
=-112.