Question

1. -1,8 : (1 - 3/4)

3.

3 - (1/2 + 1/3)

Answer 1

`1)-1,8:(1-3/4)=-1,8:0,25=-7,2`

`15)(3/8+[-1]/4+5/12):2/3=(1/8+5/12):2/3=13/24:2/3=13/16`

`3)3-(1/2+1/3)=3-5/6=13/6`

Answer 2

15,\(\left(\dfrac{3}{8}+\dfrac{-1}{4}+\dfrac{5}{12}\right):\dfrac{2}{3}\)

\(=\left(\dfrac{1}{8}+\dfrac{5}{12}\right):\dfrac{2}{3}\)

\(=\dfrac{13}{24}:\dfrac{2}{3}\)

\(=\dfrac{13}{16}\)

1.\(-1,8:\left(1-\dfrac{3}{4}\right)\)

\(=-1,8:\dfrac{1}{4}\)

\(=\dfrac{36}{5}\)

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

Answer 3

`-1/8 : (1-3/4)`

`= -1/8 : 1/4`

`= -1/8 xx 4`

`= -1/2`

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`(3/8 + -1/4 + 5/12) : 2/3`

`= (1/8 + 5/12) : 2/3`

`= 13/24 : 2/3`

`= 13/24 xx 3/2`

`= 13/16`

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`3 - (1/2 + 1/3)`

`= 3 - 5/6`

`= 13/6`