Issolvi 84/5*21/2

$$8 \frac { 4 } { 5 } \times 2 \frac { 1 } { 2 }$$

Evalwa

$$22$$

Passi tas-Soluzzjonijiet

Immultiplika 8 u 5 biex tikseb 40.

$$\frac{40+4}{5}\times \frac{2\times 2+1}{2}$$

Żid 40 u 4 biex tikseb 44.

$$\frac{44}{5}\times \frac{2\times 2+1}{2}$$

Immultiplika 2 u 2 biex tikseb 4.

$$\frac{44}{5}\times \frac{4+1}{2}$$

Żid 4 u 1 biex tikseb 5.

$$\frac{44}{5}\times \frac{5}{2}$$

Immultiplika \frac{44}{5} b'\frac{5}{2} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.

$$\frac{44\times 5}{5\times 2}$$

Annulla 5 fin-numeratur u d-denominatur.

$$\frac{44}{2}$$

Iddividi 44 b'2 biex tikseb22.

$$22$$

Fattur

$$2\times 11$$