Question

x+1+2+3+4+5+6+7+8+9+10+11+...+100=250000

Hoi x bang bao nhieu

Answer 1

x+1+2+3+....+100 = 250000

x + 5050 = 250000

x = 250000 - 5050

x = 2244950

Answer 2

x+1+2+3+....+100 = 250000
x + 5050 = 250000
x = 250000 - 5050
x = 2244950

@@ hacker

Answer 3

x+1+2+3+4+5+6+7+.....+100=250000

suy ra x+(1+100)x100:2=250000

suy ra x+101x50=250000

suy ra x+5050=250000

suy ra x=250000-5050

x=244950

Answer 4

2244950