问题
解答题
计算:(1)|-1|+(-2)2+(7-π)0-(
(2)
|
答案
(1)|-1|+(-2)2+(7-π)0-(
)-11 3
=1+4+1-3
=3;
(2)
÷48
-3
×1 2
+12 24
=
-16
+26 6
=4+
.6
计算:(1)|-1|+(-2)2+(7-π)0-(
(2)
|
(1)|-1|+(-2)2+(7-π)0-(
)-11 3
=1+4+1-3
=3;
(2)
÷48
-3
×1 2
+12 24
=
-16
+26 6
=4+
.6