计算:(1)35+14(2)214-23(3)456×67(4)7÷314.-六年级数学

题文

计算:
(1)
3
5
+
1
4

(2)2
1
4
-
2
3

(3)4
5
6
×
6
7

(4)7÷3
1
4
题型:解答题  难度:中档

答案

(1)
3
5
+
1
4

=
12
20
+
5
20

=
17
20


(2)2
1
4
-
2
3

=
9
4
-
2
3

=
27
12
-
8
12

=
19
12


(3)4
5
6
×
6
7

=
29
6
×
6
7

=
29
7


(4)7÷3
1
4

=7÷
13
4

=7×
4
13

=
28
13