x + 100 = 400 - 100
100 x 3 + 400 . . . 100 +200 + 100 x 4
100 x 3 + 400 ... 100 + 200 + 100 x 4
= 100 x 3 + 400 = 700
= 100 + 200 + 100 x 4 = 700
=> 100 x 3 + 400 = 100 + 200 + 100 x 4
tìm x biết
x+ 100 = 100 + 100 x 2 + 400
x + 100 = 100 + 100 x 2 + 400
x + 100 = 100 + 200 + 400
x + 100 = 700
x = 700 - 100
x = 600
Vậy x = 600
x+100=100+100x2 +400
x+100=100+200+400
x+100= 300+400
x+100=700
x =700-100
x =600
Vay x = 600
x + 100 = 100 + 100 x 2 + 400
x + 100 = 100 + 200 + 400
x + 100 = 700
x = 700 - 100
x = 600
Vậy x = 600
100 +400 + 100 + 200 + 50 + 100 x 0 = ?
100 + 400 + 100 + 200 + 50 + 100 x 0 = ?
Giải:
100 + 400 + 100 + 200 + 50 + 100 x 0
= 100 + 400 + 100 + 200 + 50 + (100 x 0)
= 100 + 400 + 100 + 200 + 50 + 0
= 500 + 300 + 50
= 800 + 50
= 850
Chúc bạn học tốt !
trả lời :
100 +400 + 100 + 200 + 50 + 100 x 0
= 0
@.@
100 + 400 + 100 + 200 + 50 + 100 x 0 = ?
trả lời :
0
^_^
x-300=400-100-100
x - 300 = 400 - 100 - 100
x - 300 = 200
x = 200 + 300
x = 500.
x+100=200-400+100
x + 100 = 200 - 400 + 100
x + 100 = -100
x = -100 - 100
x = -200
x+100=200-400+100
x+100=-200+100
x+100=-100
x=-100-100
x=-200
\(x+100=200-400+100\)
\(x+100=-200+100\)
\(x+100=-100\)
\(x=-100-100\)
\(x=-200\)
x + 100 = 400 - 100
x + 100 = 400 - 100
( x + 200 ) - 100 = 400 - 100
x + 200 = 400
x = 400 - 200
x = 200
x-100=200+900
x+100=300-400
x - 100 = 200 + 900
x - 100 = 1100
x = 1100 + 100
x = 1200
x + 100 = 300 - 400
x + 100 = - 100
x = - 100 - 100
x = - 200
x+100=200+900
x+100=1000
x=1000-100
x=900
x+100=300-400
x+100=-100
x=-100-100
x=-200
X-100=200+900
X-100=1100
X =1100+100
X =1200
Tìm x :
120 + 80 = 500 - x
100 + 100 = 400 - x
\(120\)\(+\)\(80\)\(=\)\(500\)\(-\)\(x\) \(100\)\(+\)\(100\)\(=\)\(400\)\(-\)\(x\)
\(200\) \(=\)\(500\)\(-\)\(x\) \(200\) \(=\)\(400\)\(-\)\(x\)
\(500\)\(-\)\(200\)\(=\)\(x\) \(400\)\(-\)\(200\)\(=\) \(x\)
\(300\) \(=\) \(x\) \(200\) \(=\) \(x\)
120 + 80 = 500 - x
200 = 500 - x
x = 300
100 + 100 = 400 - x
200 = 400 - x
x = 200
120 + 80 = 500 - x
100 + 100 = 400 - x
Ta có :
120 + 80 = 500 - x
=> 500 - x = 200
=> x = 300
Lại có :
100+100=400-x
=> 400-x = 200
=> x = 200
b) 200 x 4 = ...... 300 x 2 = ......
200 x 2 = ...... 300 x 3 = ......
400 x 2 = ...... 500 x 1 = ......
100 x 4 = ...... 100 x 3 = ......
b) 200 x 4 = .800..... 300 x 2 = ..600....
200 x 2 = .400..... 300 x 3 = ...900...
400 x 2 = ...800... 500 x 1 = ..500....
100 x 4 = ..400.... 100 x 3 = .300.....