题目内容

直接写出得数:
7÷1.4=

3.25×40=

1.9×4×0.5=

253-199=
36×25%=3.7×99+3.7=
19
20
×21
=
(8+
4
9
)÷4
=
2-
1
5
-
4
5
=
5
9
-
5
6
+
4
9
=
3×(
1
12
+
2
15
)+
3
4
=
3
5
+8×
2
5
=
7÷1.4=5,
3.25×40=130,

1.9×4×0.5=3.8,

253-199=54,
36×25%=9,3.7×99+3.7=370,
19
20
×21
=19
19
20
(8+
4
9
)÷4
=2
1
9
2-
1
5
-
4
5
=1,
5
9
-
5
6
+
4
9
=
1
6
3×(
1
12
+
2
15
)+
3
4
=1
2
5
3
5
+8×
2
5
=8.
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