Question

Calculați: 2•5/8; 1/3•12; 7/56•14; 3/5•1; 2/5•3/7; 17/10•20/3; 1 1/3•3/4; 3 4/•2/15;
9/8•1 3/5.
Va rog îmi trebuie repede!

Answer 1

Explicație pas cu pas:

a)2•5/8=10/4=5/2=2,5

b)1/3•12=1×4=4

c)7/56×14=1/8×14=14/8=7/4=1,75

d)3/5×1=3/5=0,6

e)2/5×3/7=6/35=0,17..

f)17/10×20/3=340/30=11,(3)

g)11/3×3/4=33/12=2,75

h)3/4×2/15=6/60=1/10=0,1

i)9/8×13/5=117/40=2,925