Question

calculează:
a)1/4 x (1,5+0,(3):2)
b)[1/4+(2,5-1 3/4):7/8]x14
c)[3,5+(5+1/6)-4 1/3]:3 2/3x2/5
Vă rog urgent,dau coroană
vă rog mult,pls pls pls​

Answer 1

Răspuns:

a)1/4×(3/2+1/3×1/2)=1/4×(3/2+1/6)=1/4×(9+1/6)=1/4×10/6=10/24=5/12