Question

[3/5-(1/2+1/4)] -[6/10+ (3/4-7/20)]​

Answer 1

Resposta:

Explicação passo a passo:

[3/5-(1/2+1/4)]-[6/10+(3/4-7/20)]=

[12/20-(10/20+5/20)]-[12/20+(15/20-7/20)]=

[12/20-(15/20)]-[12/20+8/20]=

[12/20-15/20]-[20/20]

-3/20-20/20=

-23/20