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maxa0330
@maxa0330
August 2022
2
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реши уравнение.x+18=78 21-x=15 x×13=91 x:5=20
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НяшныйХимик
1) х+18=78
х=60
2) 21-х=15
х=6
3) х*13=91
х=7
4) х:5=20
х=100
35 votes
Thanks 67
polinailina99
X +18 = 78
x = 78 - 18
x = 60
21 - x = 15
x = 21 - 15
x = 6
x * 13 = 91
x = 91:13
x = 7
x : 5 = 20
x = 20 * 5
x = 100
44 votes
Thanks 92
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Answers & Comments
х=60
2) 21-х=15
х=6
3) х*13=91
х=7
4) х:5=20
х=100
x = 78 - 18
x = 60
21 - x = 15
x = 21 - 15
x = 6
x * 13 = 91
x = 91:13
x = 7
x : 5 = 20
x = 20 * 5
x = 100