问题 解答题
计算
(1)11+(-14)+18
(2)(-48)÷8-2×(-6)
(3)(
1
6
-
1
4
+
1
12
)×(-48)
(4)(-1)4+(-2)3÷4+22
答案

(1)原式=11-14+18

=-3+18

=15;

(2)原式=-6+12

=6;

(3)原式=

1
6
×(-48)-
1
4
×(-48)+
1
12
×(-48)

=-8+12+(-4)

=0;

(4)原式=1-8÷4+4

=1+(-2)+4

=3.

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