Ответ:
48:x=66-60
48:x=6
x=48:6
x=8
__________
48:8=66-60
6=6
x:(27:3) =6
x:9=6
x=9*6
x=54
________________
54:(27:3)=6
68-x=9*5
68-x=45
x=68-45
x=23
___________
68-23=9*5
45=45
x-8*5=37
x-40=37
x=40+37
x=77
_____________
77-8*5=37
37=37
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Ответ:
48:x=66-60
48:x=6
x=48:6
x=8
__________
48:8=66-60
6=6
x:(27:3) =6
x:9=6
x=9*6
x=54
________________
54:(27:3)=6
6=6
68-x=9*5
68-x=45
x=68-45
x=23
___________
68-23=9*5
45=45
x-8*5=37
x-40=37
x=40+37
x=77
_____________
77-8*5=37
37=37