Răspunsuri

2014-10-08T19:07:47+03:00
A+B+C+D = 340
300+D=340
D=40
B+C+40=260
B+C=220
X+4X=220
5X=220
X=44
176+44+40=260

  • Utilizator Brainly
2014-10-08T19:09:20+03:00
A+b+c+d=340
a+b+c=300
b+c+d=260
b=4c

300+d=340
d=340-300
d=40

a+260=340
a=340-260
a=80

80+4c+c=300
5c=220
c=44

b=4c
b=4*44
b=176


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