Question

Ajutor!
$1 \frac{1}{2} +2 \frac{1}{3} -3 =$
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Answer 1

Răspuns:

-5/6=-0,8(3)

Explicație pas cu pas:

1si1/2+2si1/3=1+1/2+2+1/3=1+2+1/2+1//3

dar

1+2=3

si

1/2+1/3=5/6

atunci

3si5/6-3=3+5/6-3= -5/6=-0.8(3)

Answer 2

1 1/2 + 2 1/3 - 3 = 1+2-3 +1/2 + 1/3 = 1/2+1/3 = (3+2)/6 = 5/6