问题
解答题
计算: (1)-8+4÷(-2) (2)(
(3)-32÷
(4)2×(-1)2006+
|
答案
(1)原式=-8-2=-10;
(2)原式=(
+9 12
-7 12
)×(-60)14 12
=
×(-60)1 6
=-10;
(3)原式=-9×
+4 9
×(-4 9
)1 4
=-4-1 9
=-4
;1 9
(4)原式=2×1+2×(-2)
=2-4
=-2.
计算: (1)-8+4÷(-2) (2)(
(3)-32÷
(4)2×(-1)2006+
|
(1)原式=-8-2=-10;
(2)原式=(
+9 12
-7 12
)×(-60)14 12
=
×(-60)1 6
=-10;
(3)原式=-9×
+4 9
×(-4 9
)1 4
=-4-1 9
=-4
;1 9
(4)原式=2×1+2×(-2)
=2-4
=-2.