问题
解答题
计算下列各题: (1)-32-16÷(-
(2)(
|
答案
(1)原式=-9+16×
=-9+12=3;3 4
(2)原式=(
-1 3
+1 6
)×5 12
=24 7
×1 3
-24 7
×1 6
+24 7
×5 12
=24 7
-8 7
+4 7
=2.10 7
计算下列各题: (1)-32-16÷(-
(2)(
|
(1)原式=-9+16×
=-9+12=3;3 4
(2)原式=(
-1 3
+1 6
)×5 12
=24 7
×1 3
-24 7
×1 6
+24 7
×5 12
=24 7
-8 7
+4 7
=2.10 7