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1 )Stiind ca:
a=(6+3:3-5):2
b=5-4:(8-6:1)
c =(7+9):4-3×(8-2×4)
Calculeaza:
5×a-b:3+c:2
2) a=(5+5:5+2-2:2)×2
b=16:(25:5-12:3)
c=2-27:(5×5+2:1)
Calculeaza 2 a +38+c

Răspuns :

Magda006
1)a=2÷2=1
b=5-4÷2=5-2=3
c=16÷4-3×0=4-0=4
5×a-b÷3+c÷2=5×1-3÷3+4÷2=5-1+2=6
2)a=7×2=14
b=16÷1=16
c=2-27÷27=2-1=1
2×a+38+c=si ,,b,,unde este ca inseamna ca l am calculat degeaba...ai scris gresit?

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