Question

calcule as expressões, com conta !
A) – (- 2 ) + ( - 6 ) =
B) [ -3 – ( -2 ) + ( 8 ) – 4 ] =
C) 74 + { 10 – [ 5 – ( 6 – 4 ) + 1 ] } =
D) - 1,7 – ( - 0,5 ) – 1,3 – ( - 1,8 ) =​

Answer 1

A) 2-6=-4
B)[-3+2+8-4]
-3+2+8-4= 11
C)74+{10-[5-6+4+1]}
74 + {10-5+6-4-1}
74+10-5+6-4-1=80
D) -1,7+0,5+1,3-1,8=2,9