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a fost răspuns

1) (X+20):12+68=78
2) (X+282-75):2=104
3) X•4:10+101=133

Răspuns :

2000chiștoc
1) (x+20):12+68=78
(x+20):12=78-68
(x+20):12=10
x+20=10•12
x+20=120
x=120-20
x=100

2) (x+282-75):2=104
x+282-75=104•2
x+282-75=208
x+282=208+75
x+282=283
x=283-282
x=1

3) x•4:10+101=133
x•4:10=133-101
x•4:10=32
x•4=32•10
x•4=320
x= 320•4
x=1280

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