Question

Rezolva exercitiul de la a.La punctul b.adauga paranteze drepte pentru a obtine alt rezultat.a)6×(9+18÷3)+102÷2= ;b)6×(9+18÷3)+102÷2=

Answer 1

$6 \times (9 + 6) + 51 = 6 \times 15 + 51 = 90 + 51 = 141$
$6 \times ((9 + 18 \div 3) + 102 \div 2 )) \\ 6 \times (15 + 51) = 6 \times 66$

Answer 2

a) 6x(9+18:3)+102:2=
=6x(9+6)+51
=6x25+51
=150+51
=201
b)[6x(9+18:3)+102]:2