问题
解答题
计算: (1)
(2)
|
答案
(1)
÷7 4
-3 8
×(-9)2 3
=4
+62 3
=10
;2 3
(2)
÷(7 9
-1 3
)-(-3)21 5
=
÷7 9
-92 15
=5
-95 6
=-3
.1 6
计算: (1)
(2)
|
(1)
÷7 4
-3 8
×(-9)2 3
=4
+62 3
=10
;2 3
(2)
÷(7 9
-1 3
)-(-3)21 5
=
÷7 9
-92 15
=5
-95 6
=-3
.1 6