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a fost răspuns

b)5la put2ori7-3la put4ori2+15la put2:3la put2-2la put2ori3la put2 c)5la put2ori3la put2-2la put4ori3+7la put2ori5-6la put3-2ori10 la put2 d)2la put2+9ori5la put2-3ori4la put2+5la put2ori7-2la put3ori5la put2-6la put2ori3

Răspuns :

Vonca
b) =25×7-81×2+225÷9-4×9=175-162+25-36=13+25-36=38-36=2
c)=25×9-16×3+49×5-216-200=225-48+245-216-200=177+245-216-200=422-216-200=206-200=6
"2la put2+9ori5la put2-3ori4la put2+5la put2ori7-2la put3ori5la put2-6la put2ori3 "

2^2 + 9*5^2 - 3*4^2 + 5^2*7 - 2^3*5^2 - 6^2*3 =

= 4 + 225 - 48 + 175 - 200 - 108 = 48

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