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口算2113×0=38×1=79×9+15=58-0.625×89=2÷23=16×519=4÷45×45=57×3.5-0.5=16÷28=1.25÷5=3.6+6.4-7.3=3.25+13-1316×57=0.875+18=(12+13+14)×12=0÷45+45=

题目详情
口算
2
1
13
×0=
3
8
×1=
7
9
×9+15=
5
8
-0.625×
8
9
=
2
3
=
1
6
×
5
19
=
4
5
×
4
5
=
5
7
×3.5-0.5=
16÷
2
8
=
1.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
1
6
×
5
7
=
0.875+
1
8
=
1
2
+
1
3
+
1
4
)×12=
4
5
+
4
5
=
口算
2
1
13
×0=
3
8
×1=
7
9
×9+15=
5
8
-0.625×
8
9
=
2
3
=
1
6
×
5
19
=
4
5
×
4
5
=
5
7
×3.5-0.5=
16÷
2
8
=
1.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
1
6
×
5
7
=
0.875+
1
8
=
1
2
+
1
3
+
1
4
)×12=
4
5
+
4
5
=

2
1
13
×0=
3
8
×1=
7
9
×9+15=
5
8
-0.625×
8
9
=
2
3
=
1
6
×
5
19
=
4
5
×
4
5
=
5
7
×3.5-0.5=
16÷
2
8
=
1.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
1
6
×
5
7
=
0.875+
1
8
=
1
2
+
1
3
+
1
4
)×12=
4
5
+
4
5
=
2
1
13
×0=
3
8
×1=
7
9
×9+15=
5
8
-0.625×
8
9
=
2
3
=
1
6
×
5
19
=
4
5
×
4
5
=
5
7
×3.5-0.5=
16÷
2
8
=
1.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
1
6
×
5
7
=
0.875+
1
8
=
1
2
+
1
3
+
1
4
)×12=
4
5
+
4
5
=
2
1
13
×0=
3
8
×1=
7
9
×9+15=
5
8
-0.625×
8
9
=
2
1
13
×0=
2
1
13
×0=
1
13
113111313
3
8
×1=
3
8
×1=
3
8
383388
7
9
×9+15=
7
9
×9+15=
7
9
797799
5
8
-0.625×
8
9
=
5
8
-0.625×
8
9
=
5
8
585588
8
9
=
8
9
8988992÷
2
3
=
1
6
×
5
19
=
4
5
×
4
5
=
5
7
×3.5-0.5=
2
3
=
2
3
=
2
3
232233
1
6
×
5
19
=
1
6
×
5
19
=
1
6
161166
5
19
=
5
19
5195519194÷
4
5
×
4
5
=
4
5
×
4
5
=
4
5
454455
4
5
=
4
5
454455
5
7
×3.5-0.5=
5
7
×3.5-0.5=
5
7
57557716÷
2
8
=
1.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
16÷
2
8
=
2
8
=
2
8
2822881.25÷5=3.6+6.4-7.3=3.25+
1
3
-
1
3
1
3
-
1
3
1
3
131133
1
3
1
3
131133
1
6
×
5
7
=
0.875+
1
8
=
1
2
+
1
3
+
1
4
)×12=
4
5
+
4
5
=
1
6
×
5
7
=
1
6
×
5
7
=
1
6
161166
5
7
=
5
7
5755770.875+
1
8
=
1
8
=
1
8
181188(
1
2
+
1
3
+
1
4
)×12=
1
2
+
1
3
+
1
4
)×12=
1
2
121122
1
3
+
1
4
)×12=
1
3
131133
1
4
)×12=
1
4
1411440÷
4
5
+
4
5
=
4
5
+
4
5
=
4
5
454455
4
5
=
4
5
454455
▼优质解答
答案和解析
2113×0=038×1=3879×9+15=2258-0.625×89=5722÷23=316×519=51144÷45×45=457×3.5-0.5=216÷28=641.25÷5=0.253.6+6.4-7.3=2.73.25+13-13=3.2516×57=5420.875+18=1(12+13+14)×12=130÷45+45=45