Реши уравнения
2 х ( 36 - 52 : Х ) = 20
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( 40 х Х - 40 ) : 4 = 30
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Реши уравнения
420 + (4 х Х + 360) = 940
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350 + (600 - 5 х Х) = 450
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Реши уравнения
(4 + Х х 9) - 36 = 40
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660 - (8 х Х + 20) = 480
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Реши уравнения
450 - Х = 720 : 8 + 60
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Х х 7 = ( 618 + 2 ) + 10
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Реши уравнения
650 : Х = 81 : 9 + 1
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Х : 7 = 58 х 9 + 28
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Реши уравнения
( 40 х Х + 140) х 5 = 2500
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5 х ( 69 - 120 : Х) = 45
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Реши уравнения
(95 - 45 : Х) х 9 = 810
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6 х (20 : Х - 15) = 30
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Реши уравнения
62 : Х + 38 = 40
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73 + (50 : Х + 2) = 100
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Реши уравнения
(100 - Х : 4 ) - 30 = 54
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400 - (5 х Х + 125) = 205
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Реши уравнения
(4 х Х + 2) х 6 = 180
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9 х (4 х Х + 10) =810
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Реши уравнения
(Х : 20 + 40) - 70 = 30
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64 + ( Х : 4 + 6) = 100
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Реши уравнения
(64 : Х + 138) - 50 = 90
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925 - (80 : Х - 15) = 900
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Реши уравнения
900 - (4 х Х - 60) = 360
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( 42 : Х - 7 ) х 30 = 420
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Реши уравнения
(6 х Х + 12 ) : 6 = 50
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350 : (20 х Х - 15) = 70
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Реши уравнения
(4 х Х + 20) + 720 = 900
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(Х х 5 + 25 ) - 415 = 60
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Реши уравнения
( 60 : Х + 5 ) + 25 = 50
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800 + ( 420 : Х - 10 ) = 1000
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Реши уравнения
(54 : Х + 30 ) х 2 = 72
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8 х ( 36 + 4 х Х ) = 480
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Реши уравнения
( 400 : Х + 5 ) - 5 = 200
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1000 - ( 4500 : Х + 80 ) = 420
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197 375
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