问题
解答题
计算: (1)11-13+18 (2)
(3)-12-6÷(-2)×
(4)-(-24)×(-
|
答案
(1)原式=-2+18
=16;
(2)原式=4-4
=0;
(3)原式=-1-6×(-
)×31 2
=-1+9
=8;
(4)原式=24×(-
)+24×3 4
+24×(-5 6
)1 12
=-18+20-2
=0.
计算: (1)11-13+18 (2)
(3)-12-6÷(-2)×
(4)-(-24)×(-
|
(1)原式=-2+18
=16;
(2)原式=4-4
=0;
(3)原式=-1-6×(-
)×31 2
=-1+9
=8;
(4)原式=24×(-
)+24×3 4
+24×(-5 6
)1 12
=-18+20-2
=0.