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直接写得数.49×3= 5÷13= 12÷13= 13×2= 100×29%= 0.625×0.4= 38÷34= 12+13= 27×(14+13)= 27×39÷27=

编辑:chaxungu时间:2026-04-27 13:34:10分类:小学数学题库

直接写得数.
4
9
×3=
1
3
=
1
2
÷
1
3
=
1
3
×2=
100×29%=0.625×0.4=
3
8
÷
3
4
=
1
2
+
1
3
=
2
7
×(
1
4
+
1
3
)=
2
7
×
3
9
÷
2
7
=
(1)
4
9
×3=1
1
3

(2)(2)5÷
1
3
=15;
(3)
1
2
÷
1
3
=1
1
2

(4)
1
3
×2=
2
3

(5)100×29%=29;
(6)0.625×0.4=0.25;
(7)
3
8
÷
3
4
=
1
2

(8)
1
2
+
1
3
=
5
6

(9)
2
7
×(
1
4
+
1
3
)=
1
6

(10)
2
7
×
3
9
÷
2
7
=
1
3