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口算.8.1÷0.03=35+3=516×815=79-13=89×924=134-18=1.5×4=7.45+8.55=25÷110=2.4-12=3.5×57=37×23=

题目详情
口算.
8.1÷0.03=
3
5
+3=
5
16
×
8
15
=
7
9
-
1
3
=
8
9
×
9
24
=
134-18= 1.5×4= 7.45+8.55=
25÷
1
10
=
2.4-
1
2
=
3.5×
5
7
=
3
7
×
2
3
=
口算.
8.1÷0.03=
3
5
+3=
5
16
×
8
15
=
7
9
-
1
3
=
口算.
8.1÷0.03=
3
5
+3=
3
5
+3=
3
5
3355
5
16
×
8
15
=
5
16
×
8
15
=
5
16
551616
8
15
=
8
15
881515
7
9
-
1
3
=
7
9
-
1
3
=
7
9
7799
1
3
=
1
3
1133
8
9
×
9
24
=
134-18= 1.5×4= 7.45+8.55=
8
9
×
9
24
=
8
9
×
9
24
=
8
9
8899
9
24
=
9
24
992424134-18=1.5×4=7.45+8.55= 25÷
1
10
=
2.4-
1
2
=
3.5×
5
7
=
3
7
×
2
3
=
25÷
1
10
=
1
10
=
1
10
1110102.4-
1
2
=
1
2
=
1
2
11223.5×
5
7
=
5
7
=
5
7
5577
3
7
×
2
3
=
3
7
×
2
3
=
3
7
3377
2
3
=
2
3
2233
▼优质解答
答案和解析
8.1÷0.03=270,
3
5
+3=3
3
5
5
16
×
8
15
=
1
6
7
9
-
1
3
=
4
9
8
9
×
9
24
=
1
3
134-18=116, 1.5×4=6, 7.45+8.55=16,
25÷
1
10
=250,
2.4-
1
2
=1.9,
3.5×
5
7
=2.5,
3
7
×
2
3
=
2
7
8.1÷0.03=270,
3
5
+3=3
3
5
5
16
×
8
15
=
1
6
7
9
-
1
3
=
4
9
8.1÷0.03=270,8.1÷0.03=270,
3
5
+3=3
3
5
3
5
+3=3
3
5
3
5
333555+3=3
3
5
3
5
333555,
5
16
×
8
15
=
1
6
5
16
×
8
15
=
1
6
5
16
555161616×
8
15
=
1
6
8
15
888151515=
1
6
1
6
111666,
7
9
-
1
3
=
4
9
7
9
-
1
3
=
4
9
7
9
777999-
1
3
=
4
9
1
3
111333=
4
9
4
9
444999,
8
9
×
9
24
=
1
3
134-18=116, 1.5×4=6, 7.45+8.55=16,
8
9
×
9
24
=
1
3
8
9
×
9
24
=
1
3
8
9
888999×
9
24
=
1
3
9
24
999242424=
1
3
1
3
111333, 134-18=116,134-18=116, 1.5×4=6,1.5×4=6, 7.45+8.55=16,7.45+8.55=16, 25÷
1
10
=250,
2.4-
1
2
=1.9,
3.5×
5
7
=2.5,
3
7
×
2
3
=
2
7
25÷
1
10
=250,
25÷
1
10
=250,
1
10
111101010=250, 2.4-
1
2
=1.9,
2.4-
1
2
=1.9,
1
2
111222=1.9, 3.5×
5
7
=2.5,
3.5×
5
7
=2.5,
5
7
555777=2.5,
3
7
×
2
3
=
2
7
3
7
×
2
3
=
2
7
3
7
333777×
2
3
=
2
7
2
3
222333=
2
7
2
7
222777.