问题
解答题
计算下列各题: (1)(-4)2×[(-1)5+
(2)-42×
(3)32-(-3)3×(
(4)-17-
(5)
|
答案
(1)原式=16×[-1+
-3 4
]1 8
=-16+12-2
=-6;
(2)原式=-16×
-8×1 16
=-1-1=-2;1 8
(3)原式=9+27×
×(-1)-0.028÷41 36
=9-0.75-0.007
=8.243
(4)原式=-1-
×[-4-9]×[-8+0]4 13
=-1+4×(-8)
=-33
(5)原式=-
×4 13
-13 14
×5 13
+13 14
×13 14 15 13
=
(-13 14
-4 13
+5 13
)15 13
=
×13 14 6 13
=3 7