Matematică
neculaadriannic
5

sttiind ca: a+b+c=790,a-c=480 b=70. d=333 e+f=184 d-(e-f)=317 sa se afle:a,c.d

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jascualex1

a+b+c=790,a-c=480 b=70. a+70+c=790 a+c=790-70 a+c=720 a-c=480 -------------- 2a=720+480 2a=1200 a=600 600-c=480 c=600-480 c=120  d=333 e+f=184 d-(e-f)=317 333-(e-f)=317 -e+f=317-333 -e+f=-16 /-1 e-f=16 e+f=184 -------- 2e=16+184 2e=200 e=100 100-f=16 f=100-16 f=84

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