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Алюся111
@Алюся111
August 2022
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помогите пожалуйста?????
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DarkRabbit
2) 300- x*5=210
300-210=x*5
90=x*5
x=90/5
x=18 - Ответ
4) (300-x)*5=210
( 300-x) = 210/5
300-x=42
x=300-42
x=258 - Ответ
6) (150-20)/x=65
130/x=65
x=130/65
x=2 - Ответ
8) (x+4)*7=350
x+4=350/7
x+4=50
x=50-4
x=46 -Ответ
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Катя20007
300-х*5=210 (150-20):х=65
х*5=300-210 130:х=65
х*5=90 х=130:65
х=90:5 х=2
х=18 (150-20):62=130:2=65
300-18*5=300-90=210
(300-х)*5=210 (х+4)*7=350
300-х=210:5 х+4=350:7
300-х=42 х+4=50
х=300-42 х=50-4
х=258 х=46
(300-258)*5=42*5=210 (46+4)*7=50*7=350
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Thanks 0
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Answers & Comments
300-210=x*5
90=x*5
x=90/5
x=18 - Ответ
4) (300-x)*5=210
( 300-x) = 210/5
300-x=42
x=300-42
x=258 - Ответ
6) (150-20)/x=65
130/x=65
x=130/65
x=2 - Ответ
8) (x+4)*7=350
x+4=350/7
x+4=50
x=50-4
x=46 -Ответ
х*5=300-210 130:х=65
х*5=90 х=130:65
х=90:5 х=2
х=18 (150-20):62=130:2=65
300-18*5=300-90=210
(300-х)*5=210 (х+4)*7=350
300-х=210:5 х+4=350:7
300-х=42 х+4=50
х=300-42 х=50-4
х=258 х=46
(300-258)*5=42*5=210 (46+4)*7=50*7=350