Calcule o valor das expressões :
A) 20÷2-7
B) -8+12÷3
C) 6÷(-2)+1
D) 8÷(-4)-(-7)
E) (-15)÷(-3)+7
F) 40-(-25)÷(-5)
G)(-16)÷(+4)+12
H) 18÷6+(-28)÷(-4)
I) -14+42÷3
J) 40:(-2)+9
K) (-12)3+6
L) (-54)÷(-9)+2
M) 20+(-10)×(-5)
N) (-1)×(-8)+20
O) 4+6×(-2)
P) 3×(-7)+40
Q) (+3)×(-2)-205
R) (-4)×(-5)+8×(+2)
S) 5÷(-5)+9×2
T) 36÷(-6)+5×4

OBRIGADA PRA QUEM ME AJUDAR ♡

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