me ajudem
resolva as expressões.
a) 6×{3×[9×3-22)+2]}=
b)2+[49-(6×6-15)+7]=
c)2×[17-(5×2-3)]=
d)24÷(4×2)+{13-[4+1+(3×4-10]}=
Respostas
respondido por:
1
a) 6×{3×[9×3-22)+2]}=
6×{3×[27-22)+2]}=
6×{3×[5+2]}=
6×{3×7}=
6×21 => 126
b)2+[49-(6×6-15)+7]=
2+[49-(36-15)+7]=
2+[49-21+7]=
2+35 => 37
c)2×[17-(5×2-3)]=
2×[17-(10-3)]=
2×[17-7]=
2×10 => 20
d)24÷(4×2)+{13-[4+1+(3×4-10]}=
24÷8+{13-[4+1+(12-2)]}=
3+{13-[4+1+10]}=
3+{13-15}=
3+(-2)=
3-2=> 1
josuele31:
obg
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