Question

resolva a expressão númerica: [3(-3/4)-² + 6 (3/4)-¹ /7(-3/4)-¹ +2] + 4

Answer 1

[3 (16/9)+6 (4/3)-4/7 (-4/3)+2]+4

[48/9 +24/3 -4 / -28/3 +2 ] +4

[48/9 +72/9 -36/9. /-22/3] +4

[84/9 / -22/3]+4

[84/9 × -3/22]+4

[84×(-3) /9×22]+4

[-252/198]+4

[-126/99]+4

[-42/33] +4

[-14/11]+4

30/11