Question

Va rog mă poate ajuta cineva la 8 dau coroană urgent​

Answer 1

Răspuns:

a) 5/x=12/7=>12x=7·5=>x=35:12=>x=2,91(6)=>5/2,91(6)=12/7

b) x/8=24/96=>96x=8·24=>x=192:96=>x=2=>2/8=24/96

c) 15x=3·2=>x=6:15=>x=0,4=>15/2=3/0,4

d) 15x=2·2=>x=4:15=>x=0,2(6)=>2/15=0,2(6)/2

e) 3x=7·8=>x=56:3=>x=18,(6)=>3/8=7/18,(6)

f) 3x=5·12=>x=60:3=>x=20=>5/3=20/12

g) 9x=1·7=>x=7:9=>x=0,(7)=>1/9=0,(7)/7

h) 5x=23·18=>x=414:5=>x=82,8=>82,8/18=23/5

i) 11x=6·4=>x=24:11=>x=2,(18)=>6/2,(18)=11/4

j) 7x=12·4=>x=48:7=>x=6,85=>12/6,85=7/4