find the square root of 100 and 169 by the method of represent subtraction
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1)100
100-1=99
99-3=96
96-5=91
91-7=84
84-9=75
75-11=64
64-13=51
51-15=36
36-17=19
19-19=0
There are total 10 numbers
So, 10 is the square root of 100
2)169
169-1=168
168-3=165
165-5=160
160-7=153
153-9=144
144-11=133
133-13=120
120-15=105
105-17=88
88-19=69
69-21=48
48-23=25
25-25=0
There are total 13 numbers
So, 13 is the square root of 169.
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