Question

Calculati
a)2/5+3/10;
b)2/9+2/3;
c)3/4+5/8;
d)7/8+1/2;
e)1/2+1/4;
f)3/10+2/5;
g)1/6+2/3;
h)3/5+1/20.
Va rog urgent!Fara explicatii cum sa rezolvi!!!
15 puncte.....​

Answer 1

Răspuns:

Explicație pas cu pas:

a) ²⁾2/5+3/10 = (4+3)/10 = 7/10

b) 2/9+³⁾2/3 = (2+6)/9 = 8/9

c) ²⁾3/4+5/8 = (6+5)/8 = 11/8

d) 7/8+⁴⁾1/2 = (7+4)/8 = 11/8

e) ²⁾1/2+1/4 = (2+1)/4 = 3/4

f) 3/10+²⁾2/5 =(3+4)/10 = 7/10

g) 1/6+²⁾2/3 =(1+4)/6 = 5/6

h) ⁴⁾3/5+1/20 = (12+1)/20 = 13/20