19 uždavinys

18 uždavinys20 uždavinys

Sprendimas:

Sprendimas:

$1-\frac{1}{4}$ = $\frac{3}{4}$

Atsakymas: $\frac{3}{4}$

Sprendimas:

1

/ 4

* 0+

1

/ 4

* 2+

1

/ 4

* 5+

1

/ 4

* 7 =

1

/ 4

* 0+

1

/ 4

* 2+

1

/ 4

* 5+

1

/ 4

* 7 = $\frac{1}{4}\cdot 0+\frac{1}{4}\cdot 2+\frac{1}{4}\cdot 5+\frac{1}{4}\cdot 7$ =

1

/ 4

* 2+

1

/ 4

* 5+

1

/ 4

* 7 = $\frac{1}{4}\cdot 2+\frac{1}{4}\cdot 5+\frac{1}{4}\cdot 7$ =

1

/ 4

* (7+7) = $\frac{1}{4}\cdot (7+7)$ =

1

/ 4

* 14 = $\frac{1}{4}\cdot 14$ =

7

/ 2

= $\frac{7}{2}$ =

3.5 $3.5$

Atsakymas: 3.5

18 uždavinys20 uždavinys