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math wizz

math problems

If u have a number that is 2 digits you minus 37 add 16 and times by 10 what is the starting number if you know have 660. 87
12x12 144
10x10 100
16+20-14 22
if you have three dogs and one goes missing then you find 2. How many dogs do you have now? 4 dogs
4x4 32
16+16 32
37-20 17
8x8 64
9x9 81
9x8 72
50-25 25
4x25-1 99
16x25 400
18+37 55
Created by: toftelanddane