Question

pfv me ajudem que em troca lhes dou 100 pts

Answer 1

Resposta:

Observe a resolução:

Answer 2

Resposta:

/ significa divisão, * significa multiplicação:

a) 4/3+5/9=(4*9+5*3)/(3*9)=51/27=17/9

b)7/2+3/6=(7*6+3*2)/(2*6)=48/12=4/1

c)9/5+4=(9+4*5)/5=9/5+4=29/5

d)6/4-2/3=(6*3-2*4)/(4*3)=10/12=5/6

e)7/2-4/8=(7*8-4*2)/(2*8)=48/16=3/1

f)2-3/6=(2*6-3)/6=9/6=3/2

g)4/2*2/6=8/12=2/3

h)7/3*6/3=42/9=14/3

i)7/2*5=35/2

j)6/2/2/2=12/4=3/1

k)9/8+3/4=36/24=8/12=2/3

i)10/2/5=10/10=1