问题 解答题
口算:
1
3
-
1
30
=
5
8
+
12.5%=
4÷4÷
1
8
=
(
2
3
-
1
2
)
×6=
37÷37%=40×5%=2×(
1
8
+
1
4
)=
1
2
-
1
5
)÷
3
5
=
答案

1
3
-
1
30
=
3
10
5
8
+
12.5%=0.75;4÷4÷
1
8
=8; (
2
3
-
1
2
)×6=1;

37÷37%=100; 40×5%=2;2×(

1
8
+
1
4
)=
3
4
; (
1
2
-
1
5
)÷
3
5
=
1
2

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