resolva as expressoes numericas :
a)12+[8-(12:2)]
b)30:{11-[16-(2×5)]}
c){80-[(16:2+4)]}+6
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a) 12+[8-(12:2)]
12+[8-6]
12+2=14
b) 30:{11-[16-(2×5)]}
30:{11-[16-10]}
30:{11-6}
30:5=6
c) {80-[(16:2+4)]}+6
{80-(8+4)+6 80-12+6=74
12+[8-6]
12+2=14
b) 30:{11-[16-(2×5)]}
30:{11-[16-10]}
30:{11-6}
30:5=6
c) {80-[(16:2+4)]}+6
{80-(8+4)+6 80-12+6=74
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