**Lesson Steps**:

See the picture

**Answer**:

8991

**Grade**: 1

**Level**: Junior high

**Subject**: Math

**Topic**: Addition

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**Lesson Steps**:

The number is 27

**Answer**:

The number is 27

**Grade**: 1

**Level**: Junior high

**Subject**: Math

**Topic**: Addition

### Is this lesson helpful?

**Lesson Steps**:

9*999

=8991

**Answer**:

8991

**Grade**: 1

**Level**: Junior high

**Subject**: Math

**Topic**: Addition

### Is this lesson helpful?

**Lesson Steps**:

(3/5-5/3)

**Answer**:

³333444456

**Grade**: 1

**Level**: Junior high

**Subject**: Math

**Topic**: Addition