Question

Va rog ajutor
Urgent ​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 2/5 ×2.1/2 =2/5×5/2 =10/10 =1

b) 1/12×1.1/5 =5/12×6/5 =5×6/12/5 =30/60=1/2 =0.5

d) 2.1/7 ×2.4/5 =15/7×14/5 =15×14/7×5 =6

e) 4.1/5 ×2.1/7 =21/5×15/7 =21×15/5×7 =9