首页 > 口算：34+12=______13-14=______12×34=______15÷3=______20÷49=______57÷1=______23×78=______710×310+310×310

口算：34+12=13-14=12×34=15÷3=20÷49=57÷1=23×78=__710×310+310×310

题目简介

口算：34+12=______13-14=______12×34=______15÷3=______20÷49=______57÷1=______23×78=______710×310+310×310

题目详情

口算：

3

4

+

1

2

=______

1

3

-

1

4

=______ 12×

3

4

=______

1

5

÷3=______
20÷

4

9

=______

5

7

÷1=______

2

3

×

7

8

=______

7

10

×

3

10

+

3

10

×

3

10

=______

7

12

×______=

1

3

4

5

÷______=

4

3

．

题型：解答题难度：中档来源：不详

答案

class="stub"3

4

+class="stub"1

2

=class="stub"5

4

class="stub"1

3

-class="stub"1

4

=class="stub"1

12

12×class="stub"3

4

=9 class="stub"1

5

÷3=class="stub"1

15

20÷class="stub"4

9

=45
class="stub"5

7

÷1=class="stub"5

7

class="stub"2

3

×class="stub"7

8

=class="stub"7

12

class="stub"7

10

×class="stub"3

10

+class="stub"3

10

×class="stub"3

10

=class="stub"3

10

class="stub"7

12

×class="stub"4

7

=class="stub"1

3

class="stub"4

5

÷class="stub"3

5

=class="stub"4

3

故答案为：class="stub"5

4

、class="stub"1

12

、9、class="stub"1

15

、45、class="stub"5

7

、class="stub"7

12

、class="stub"3

10

、class="stub"4

7

、class="stub"3

5

．

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