问题 解答题
直接写得数.
2008+520=

5.01-3.9=

1.2×0.3=

100÷10%=

8-
4
7
=
9
11
×
4
9
=
1
3
+
1
2
=
5
6
÷
5
3
=
2.3×9+2.3=15
5
7
-
2
7
=
答案

(1)2008+520=2528(2)5.01-3.9=1.11(3)1.2×0.3=0.36(4)100÷10%=1000(5)8-
4
7
=7
3
7
(6)
9
11
×
4
9
=
4
11
(7)
1
3
+
1
2
=
5
6
(8)
5
6
÷
5
3
=
1
2
(9)2.3×9+2.3=23(10)15
5
7
-
2
7
=15
3
7

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