口算．4+15=______ 13×15=______ 4.5÷12=______爱下问搜题

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问题解答题

口算．4+

1

5

=______

1

3

×

1

5

=______ 4.5÷

1

2

=______

7

12

×2.4=______

4

5

÷7=______

1

3

-

1

5

=______

1

2

+

1

7

=______

9

10

×

2

3

=______．

答案

口算．4+

1

5

=4

1

5

1

3

×

1

5

=

1

15

4.5÷

1

2

=9

7

12

×2.4=1.4

4

5

÷7=

4

35

1

3

-

1

5

=

2

15

1

2

+

1

7

=

9

14

9

10

×

2

3

=

3

5

．

选择题

How I wish I _________ him the secret! I regret having done that now.

A．hadn’t told

B．had told

C．would tell

D．didn’t tell

多项选择题

下列各种物质不属于非皂化油的是（）。

A、猪油

B、大豆油

C、花生油

D、润滑油