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