Find the square of 256 and 625 using continuous subtraction.
Answers
Answer:
√256=16. √625=25
Step-by-step explanation:
256-1=255. -1
255-3=252. -2
252-5=247. -3
247-7=240. -4
240-9=231. -5
231-11=220. -6
220-13=207. -7
207-15=192. -8
192-17=175. -9
175-19=156. -10
156-21=135. -11
135-23=112. -12
112-25=87. -13
87-27=60. -14
60-29=31. -15
31-31=0. -16
√256=16
625-1=624. -1
624-3=621. -2
......
0. -25
√625=25
Answer:
= 16
= 25
Step-by-step explanation:
256
- 1
255
- 3
252
- 5
247
- 7
240
- 9
231
- 11
220
- 13
207
- 15
192
- 17
175
- 19
156
- 21
135
-23
112
- 25
87
- 27
60
- 29
31
- 31
0
∴ = 16
625
- 1
624
- 3
621
- 5
616
- 7
609
- 9
600
- 11
589
- 13
576
- 15
561
- 17
544
- 19
525
- 21
504
- 23
481
- 25
456
- 27
429
- 29
400
- 31
369
- 33
336
- 35
301
- 37
264
- 39
225
- 41
184
- 43
141
- 45
96
- 47
49
-\ 49
0
∴ = 25