问题 解答题
能简算的要简算.
(1)(12.5×8-40)÷0.6
(2)6
1
3
-(2
5
9
-1
2
3
答案

(1)(12.5×8-40)÷0.6,

=(100-40)÷0.6,

=60÷0.6,

=100;

(2)6

1
3
-(2
5
9
-1
2
3
),

=6

1
3
-2
5
9
+1
2
3

=6

1
3
+1
2
3
-2
5
9

=8-2

5
9

=5

4
9

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