Question

Usalosl parentesis dónde sea preciso para obtener cada resultado a)10×100-100÷10=990 b)15÷5+3×5+9÷3=21 c)15÷3+2÷(-2)+4×3-2=14 d) 18÷(3×2)+6×(-5)+3=-9

Answer 1

a)(10x100)-(100÷10)=990
b)(15÷5)+(3x5)+(9÷3)=21
c)(15÷3)+2÷(-2)+(4x3)-2=14
d){18÷(3x2)}+6x(-5+3)=-9