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7+60:[49-x:(6:2)]×2=10
180:[140:x-(12:6)]=60

Răspuns :

Paula20031
7+60:[49-x:(6:2)]=10:2
7+60:[49-x:(6:2)]=5
60:(49-x:3)=7-5
60:(49-x:3)=2
49-x:3=60x2
49-x:3=120
x:3=120+49
x:3=169
x=338x3
x=1014

180:[140:x-(12:6)]=60
180:(140:x-2)=60
140:x-2=60x180
140:x-2=10800
x-2=10800x140
x-2=540000
x=540002

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