问题 解答题
直接写得数.
24×
1
4
=

1
2
+
1
3
=

3
10
-
1
20
=

1-25%=

3
5
÷18=
24×(
2
3
+
1
4
)=
7
12
×
4
21
=
4.3×99+4.3=
4
5
÷
2
3
=
15
7
÷
3
8
=
答案

(1)24×
1
4
=6
(2)
1
2
+
1
3
=
5
6
(3)
3
10
-
1
20
=
1
4
(4)1-25%=0.75(5)
3
5
÷18=
1
30
(6)24×(
2
3
+
1
4
)=22
(7)
7
12
×
4
21
=
1
9
(8)4.3×99+4.3=430(9)
4
5
÷
2
3
=
6
5
(10)
15
7
÷
3
8
=
40
7
故答案为:6,
5
6
1
4
,0.75,
1
30
,22,
1
9
,430,
6
5
40
7

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