Question

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Answer 1

Răspuns:

Explicație pas cu pas:

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

_________

1 + 1/2 + 2/3 = 6/6 + 3/6 + 4/6 = 13/6

_________

1 1/2 + 2/3 = 3/2 + 2/3 = 9/6 + 4/6 = 13/6

_________

2/3*4*3/5 = 8/5

_________

17/10 = 1,7

17/100 = 0,17

17/9 = 1,(8)

17/99 = 0,(17)

Answer 2

1. 1+1/2=

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

2. 1+1/2+2/3=

=6/6+3/6+4/6=

=9/6+4/6=13/6

3. 1 1/2+2/3=

=3/2+2/3=

=9/6+4/6=13/6

4. 2/3×4×3/5=

=8/3×3/5=8/5

5. 17/10=1,7

17/100=0,17

17/9=1,(8)

17/99=0,(17)