Test And Tutor
Region: CA
Monday 23 March 2026 01:08:36 GMT
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PS_Tik_Tok :
I like the picture solving method.🥰🥰🥰
2026-05-14 14:15:00
0
Carl The Boy Scientist :
just use the method of Carl Gauss
2026-03-23 02:49:10
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noob :
(51x50)2 /2 - 50 = 51x50 - 50 = 50^2
2026-04-05 04:56:53
1
Aries Chen :
=25*（1+50）+25*（1+50）-50=2500
2026-03-28 15:32:05
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user9242980814417 :
2500
2026-04-23 10:24:53
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Mbuwaka :
Thanks you
2026-04-20 20:26:50
0
Mon_amour :
161
2026-03-23 01:13:16
1
ሞኣንበሳ ዘምነገዳይ ይሁዳ :
great
2026-03-23 02:14:43
1
天竺鼠車車 :
(1+50)×50÷2+(1+49)×49÷2= 51×25+25×49= (51+49)×25=2500
2026-03-23 04:15:27
1
จิน :
2(n-1)(n)/2+n = n^2-n+n = n^2
2026-03-28 05:30:45
0
נהוראי🥷 :
2*(50+1)*25-50=2,500 🤝
2026-03-23 20:25:26
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patrickoyono936 :
(50×49/2)+50+(50×49/2)= 50×49+50 =50(49+1)=50×50=2500
2026-04-21 22:17:27
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Brandon William :
50x50
2026-03-23 03:47:25
1
KZCOB :
50²= 2500
2026-03-23 02:45:05
0
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