问题
解答题
计算: (1)(8-1
(2)36.4×(-21.2)×0×(-35.9); (3)(
(4)2×3×4×5×(
|
答案
(1)原式=-6+1+
=-4.7;3 10
(2)原式=0;
(3)原式=3-6+2=-1;
(4)原式=120×(
-1 2
+1 3
-1 4
)=60-40+30-24=26.1 5
计算: (1)(8-1
(2)36.4×(-21.2)×0×(-35.9); (3)(
(4)2×3×4×5×(
|
(1)原式=-6+1+
=-4.7;3 10
(2)原式=0;
(3)原式=3-6+2=-1;
(4)原式=120×(
-1 2
+1 3
-1 4
)=60-40+30-24=26.1 5