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S
17 tháng 1 2017
x+100=200-500 x+800=1000
x+100=-300 x =1000-800
x =(-300)-100 x =200
x =(-300)+(-100)
x =-400
17 tháng 1 2017
x+100=200-500
x+100=-300
x=-300+100
x=-200
x+800=1000
x=1000-800
x=200
AM
2
22 tháng 5 2016
a) 37 x 38 - 19 x 74 + 1000
= 37x19x2-19x2x37+1000
= 19x2x(37-37)+1000
= 38+1000
= 1038
b) 0,48x500-2,4x40x2
= 0,48x5x100-2,4x40x2
= 2,4x2x50-2,4x2x40
= 2,4x2x(50-40)
= 4,8x10
= 48
D
11
D
10
`x+500=1000`
`x=1000-500`
`x=500`
x=1000-500
x=500
x+500=1000
x=1000−500
x=500
x+500=1000
x=1000-500
x=500
\(x +500=1000 \)body a, body button, body [type='button'], body input[type='reset'], body input[type='submit'], body [role="button"], ::-webkit-search-cancel-button, ::-webkit-search-decoration, ::-webkit-scrollbar-button, ::-webkit-file-upload-button, body .sweezy-custom-cursor-hover { cursor: url("data:image/png;base64,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") 6 3, pointer !important; } html, body, body select, body .sweezy-custom-cursor-default-hover { cursor: url("data:image/png;base64,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") 1 1, auto !important; }
\(x=1000-500 \)
\( x=500\)
x+500=1000
x=1000−500
x=500
body a, body button, body [type='button'], body input[type='reset'], body input[type='submit'], body [role="button"], ::-webkit-search-cancel-button, ::-webkit-search-decoration, ::-webkit-scrollbar-button, ::-webkit-file-upload-button, body .sweezy-custom-cursor-hover { cursor: url("data:image/png;base64,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") 6 3, pointer !important; } html, body, body select, body .sweezy-custom-cursor-default-hover { cursor: url("data:image/png;base64,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") 1 1, auto !important; }
1000 - 500 = 500 .