### Home > AC > Chapter 7 > Lesson 7.3.1 > Problem 7-86

7-86.

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.

−1 + ? = 10

7-86.

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.

−1 + ? = 10