问题
解答题
计算: (1)(-6.5)×(-2)+6÷(-
(2)-32÷[(-2)3+(-
|
答案
(1)原式=13-6×
+43 2
=13-9+4
=8;
(2)原式=-9÷[-8+
×(41-16)]4 25
=-9÷[-8+
×25]4 25
=-9÷(-8+4)
=-9÷(-4)
=
.9 4
计算: (1)(-6.5)×(-2)+6÷(-
(2)-32÷[(-2)3+(-
|
(1)原式=13-6×
+43 2
=13-9+4
=8;
(2)原式=-9÷[-8+
×(41-16)]4 25
=-9÷[-8+
×25]4 25
=-9÷(-8+4)
=-9÷(-4)
=
.9 4