Question

va roggg dau coronita toate ex​

Answer 1

Răspuns:

a+b+c=100

a=b

c=a+b

c+c=100=>c=100:2=>c=50 kg cumpara a3a gospodina

100-50=50 kg rest

50:2=25 kg cumpara prima si a2a gospodina

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a-b=40

a:b=5=>a=5b

5b-b=40=>b=40:4=>b=10

a=5×10=50

b.a.I__I

I__I__I__I__I__I } 40

5-1=4 segm egale

40:4=10 (b)

10×5=50 (a)

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1 intreg si 1/2=3 lei

(1×2+1)/2=3 lei

3/2=3 lei

3/3 = un intreg , o paine

3/2.................3 lei

3/3....................x

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x=3/3×3:3/2=6/3=2 lei costa o paine