Question

efectue cada operacion y exprese el resultado en forma simple 3/8+2/3*6/10+-7/20

Answer 1

Tenemos:

3/8+2/3*6/10+-7/20
3/8 +2(6)/3(10)+(-7/20)
3/8+12/30 -7/20
3/8 + 2/5 -7/20
3(5)+8(2)/8(5) -7/20
15+16/40 -7/20
31/40 -14/40
31-14/40
17/40
0,425

Espero ayude