100 + 100 + 500 + 200 + 100 = ????????????????
100 + 100 + 200 + 200 + 500 + 500 = ???
Ai kb với mình không?
100 + 100 + 200 + 200 + 500 + 500 = 1600
500 + 500 = ?
100 + 100 = ?
200 + 200 = ?
2000 x 20 = ?
500 + 500 = 1 000
100 + 100 = 200
200 + 200 = 400
2 000 x 20 = 40 000
500 + 500 = 1000
100 + 100 = 200
200 + 200 = 400
2000 x 20 = 40000
500+500=1000
100+100=200
200+200=400
2000x20=4000
k mình nha
100+100+200+200+300+300+400+400+500+500+600+600+700+700+800+800+900+900+?
100+100+200+200+300+300+400+400+500+500+600+600+700+700+800 = 6400
100+200+300+400+500+600+700+800+900+100+200+300+400+500+600+700+800+900
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111222222222222222222222222222222223333333333333333333333333333333333333333333333334444444444444444444444444444444444444455555555555555555556666666666666666677777777777777777777777777777777777777777777777778888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888
900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000213131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313131313
100 + 100 =
200 + 200 =
300 + 300 =
400 + 400 =
500 + 500 =
100+100=200
200+200=400
300+300=600
400+400=800
500+500=1000
100 + 100 = 200
200 + 200 = 400
300 + 300 = 600
400 + 400 = 800
500 + 500 = 1000
100+200+300+400+500+600+700+800+900+100+200+300+400+500+600+700+800+900
\(=\left(100+900\right)+\left(800+200\right)+...+\left(900+100\right)\)(9 cặp)
\(=1000+1000+...+1000\)(9 số 1000)
\(=1000\times9\)
\(=9000\)
k mình nha
111100000000000000000000111110103
100+100=
200+200=
300+300=
400+400=
500+500=
100+100=200
200+200=400
300+300=600
400+400=800
500+500=1000
100 + 100 = 200
200 + 200 = 400
300 + 300 = 600
400 + 400 = 800
500 + 500 = 1000
Tk cho mk nha
x+100=200-500
x-100=200-500
ai k mk mk k lai
3 cái nhé
a) x= -300 -100
x = -400
b) x= -300 +100
x= -200
1)x+100=200-500
x+100=-300
x=-300-100
x=-400
2)x-100=200-500
x-100=-300
x=-300+100
x=-200
\(x+100=200-500\)
\(x+100=-300\)
\(x=-300-100\)
\(x=-400\)
\(x-100=200-500\)
\(x-100=-300\)
\(x=-300+100\)
\(x=-200\)
100+200+300+400+500+600+700+800+900+100+200+300+400+500+600+700+800+900=
LAM HO MK VOI
Số số hạng là : ( 900 - 100 ) : 100 + 1 = 9 ( số )
Tổng là : ( 900 + 100 ) . 9 : 2 = 4500
Tổng thực là : 4500 . 2 = 9000
~ Chúc học tốt ~
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