Question

ME AJUDEM POR FAVOR!!!​

Answer 1

Explicação passo a passo:

Na multiplicção de fração MULTIPLICA OS NUMERADORES E MULTIPLICA OS DENOMINADORES

a

2/3 * 1/5 = ( 2 * 1 )/ ( 3 * 5 ) = 2/15 >>>>

b

1/2 * 1/5 = ( 1 * 1 )/ ( 2 * 5 ) = 1/10 >>>>

c

1/3 * 4/7 = ( 1 * 4 ) / ( 3 * 7) = 4/21 >>>

d

3/5 * 1/4 = ( 3 * 1 ) / ( 5 * 4 ) = 3/20 >>>>

e

2/3 * 3/5 = ( 2 * 3 )/ ( 3 * 5 ) = 6/15 = por 3 = 2/5 >>>>

f

1/2 * 4/7 = ( 1 * 4 ) / ( 2 * 7 ) = 4/14 por 2 = 2/7 >>>>

g

2/1 * 4/7 = ( 2 * 4 )/ ( 1 * 7 ) = 8/7 >>>>

h

3/1 * 1/12 = ( 3 * 1 ) / ( 1 * 12 ) = 3/12 por3 =1/4 >>>>