Question

1. Cluculati
a)2/3+5/3+2/3
b)4/7-2/7
c)2 1/2+3 1/4-1/4
d)4-2 1/2-1/5
e) (2 1/3+3 1/2
f)(2/3)3
g)(3-1 1/2) ori 2/3 (4/3+1 1/6:5/6 cu toata rez si dau coroana

Answer 1

Răspuns:

a) 2/3+5/3+2/3=2+5+2/3=9/3

b)4/7-2/7=4-2/7=2/7

c)21/2+31/4-1/4=42/4+31/4-1/4=42+31-1/4=72/4

d)