Question

scrie intregii sub forma de fractie, apoi efectueaza calculele.2+3/4; 1+3/5; 3/10+2; 4/9+3; 2/6+1+1/6

Answer 1

Fiind în clasaa IV-a,nu înveti amplificare,ci faci asa: 2+3/4 va fi: 4/4+4/4+3/4=11/4; 1+3/5=5/5+3/5=8/5; 3/10+2=3/10+10/10+10/10=23/10; 4/9+3=4/9+9/9+9/9+9/9=31/9; 2/6+1+1/6=2/6+6/6+1/6=9/6.