Question

Ayuda porfa les doy coronita aunque sea solo de una

Answer 1

Respuesta:

Divisiones

1) (+1/3) + (+1/2) = 2/3

2) (+1/7) + (-2/3) = - 3/14

Sumas

1). 2/11 + 2/9 = 110 + 18 / 99. = 128/99.

2). 10/12 + 3/6= 60 + 36 / 72 = 96/72 = 12/ 9

3) 3/7 + 2/3 = 9 + 14 /21 = 23/21

4) 10/16 + 9/4 = 40 + 144/ 64 = 184/ 64 = 23/8

Multiplicaciones

1) (+1/2). + (+1/3) = 1/6

2) (+1/5) (-1/4) = -1/20