Issolvi 41/4div21/2

$$4 \frac { 1 } { 4 } \div 2 \frac { 1 } { 2 }$$

Evalwa

$$\frac{17}{10}=1.7$$

Passi tas-Soluzzjonijiet

Iddividi \frac{4\times 4+1}{4} b'\frac{2\times 2+1}{2} billi timmultiplika \frac{4\times 4+1}{4} bir-reċiproku ta' \frac{2\times 2+1}{2}.

$$\frac{\left(4\times 4+1\right)\times 2}{4\left(2\times 2+1\right)}$$

Annulla 2 fin-numeratur u d-denominatur.

$$\frac{1+4\times 4}{2\left(1+2\times 2\right)}$$

Immultiplika 4 u 4 biex tikseb 16.

$$\frac{1+16}{2\left(1+2\times 2\right)}$$

Żid 1 u 16 biex tikseb 17.

$$\frac{17}{2\left(1+2\times 2\right)}$$

Immultiplika 2 u 2 biex tikseb 4.

$$\frac{17}{2\left(1+4\right)}$$

Żid 1 u 4 biex tikseb 5.

$$\frac{17}{2\times 5}$$

Immultiplika 2 u 5 biex tikseb 10.

$$\frac{17}{10}$$

Fattur

$$\frac{17}{2 \cdot 5} = 1\frac{7}{10} = 1.7$$