100 + x = 500
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 500+500+500+(100 x 2)
=500 x 3+ 100x2
=1500+200
=1700
b, 700+300+(100 x 10)=700+300+1000=1000+1000=2000
k minh nha
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
x + 100 = 500 + 500
x + 100 = 1000
x = 1000 - 100
x = 900
ai k mk mk k l
ại ^_^
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 2 100 : 10 = 210
4 500 : 100 = 45
83 000 : 1 000 = 83
b) 720 : 10 : 8 = 72 : 8 = 9
1 500 : (5 x 100) = 1 500 : 5 : 100 = 300 : 100 = 3
60 000 : 1 000 x 6 = 60 x 6 = 360
![](https://rs.olm.vn/images/avt/0.png?1311)
x + 100 = 500 + 500
x + 100 = 1000
x = 1000 - 100
x = 900
Tk mk nha
x + 100 = 500 + 500
x + 100 = 1000
x = 1000 - 100
x = 900
Vậy x = 900
k nha
![](https://rs.olm.vn/images/avt/0.png?1311)
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
![](https://rs.olm.vn/images/avt/0.png?1311)
x + 500 = 500 + 100
x + 500 = 600
x = 600 - 500
x = 100
ai tk mk mk tk lại
![](https://rs.olm.vn/images/avt/0.png?1311)
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
![](https://rs.olm.vn/images/avt/0.png?1311)
x +100 = 500 : 2
x+ 100 = 250
x=250-100
x= 150
x+500= 650
x= 650-500
x= 150
k giúp mik nhé
x + 100 = 500 : 2
x + 100 = 250
x = 250 - 100
x = 150
x + 500 = 600
x = 600 - 500
x = 100
K mk mk k lại
Hứa luôn
![](https://rs.olm.vn/images/avt/0.png?1311)
b) ( x + 500 ) = 1000 - 200 . 2
x + 500 = 1000 - 400
x + 500 = 600
x = 600 - 500
x = 100
100 + x = 500
x = 500 - 100
x = 400
Tích mik cái nhé bạn!
Theo đề ta có:
100 + x = 500
x = 500 - 100
x = 400
Vậy x = 400