Lesson Steps:

See the picture

Answer:

8991

Grade: 1
Level: Junior high
Subject: Math
Topic: Addition

Lesson Steps:

The number is 27

Answer:

The number is 27

Grade: 1
Level: Junior high
Subject: Math
Topic: Addition

Lesson Steps:

9*999
=8991

Answer:

8991

Grade: 1
Level: Junior high
Subject: Math
Topic: Addition

Lesson Steps:

(3/5-5/3)

Answer:

³333444456

Grade: 1
Level: Junior high
Subject: Math
Topic: Addition