问题 解答题
直接写出得数.
4-
3
8
-
5
8
=
45×
1
5
=
4-1
2
3
=
0.77+0.3=
2+2%=
1
3
+
1
2
=
1
2
-
1
5
=
(0.18+0.9)÷9=
答案

4-

3
8
-
5
8
=3; 45×
1
5
=9;4-1
2
3
=2
1
3
; 0.77+0.3=1.07;

2+2%=2.02;

1
3
+
1
2
=
5
6
1
2
-
1
5
=
3
10
;(0.18+0.9)÷9=0.12.

故答案为:3,9,2

1
3
,1.07,2.02,
5
6
3
10
,0.12.

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