G45.M3.S8.Q2

 Solve 87 - 64 using the Zig-Zag method.

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• 23

• 33

Solve 87 - 75 using the Zig-Zag method. ​ (a)  

• 12
• 22
• 32

Solve 44 - 23 using the Zig-Zag method.

 Solve 97 - 84 using the Zig-Zag method.​ (a)  

• 13
• 23
• 33

Solve 46 - 23 using the Zig-Zag method.

Solve 98 - 34 using the Zig-Zag method.

Solve 67 - 44 using the Zig-Zag method.

• 23

• 33

• 43