问题
解答题
计算: (1)
(2)(10
|
答案
(1)
-8
(2
+2)=22
-2-22
=-2;2
(2)(10
-648
+427
)÷12
=(406
-183
+83
)÷3
=306
÷3
=6
=1530 2
.2
计算: (1)
(2)(10
|
(1)
-8
(2
+2)=22
-2-22
=-2;2
(2)(10
-648
+427
)÷12
=(406
-183
+83
)÷3
=306
÷3
=6
=1530 2
.2