Question

помогите пожалуйста срочно​

Answer 1

Ответ:

$a) - 3.2 times 6x \ - (3.2 times 6)x \ = - 19.2x \ b) - 0.8 + ( - 0.7) \ 0.8 times 0.7 = 0.56 \ d)5a times ( - 1.4b) times 0.6c \ - 5a times 1.4 times 0.6c = - 4.2ac \ g) frac{15}{56} times( - x) times frac{28}{30} times y \ - frac{1}{2} x times frac{1}{2} y = - frac{1}{4} xy \ e) - 16m times 1.5n \ - (1.6 times 1.5)mn = - 24mn \ i) - frac{35}{72} c times 3 frac{3}{7} d \ - frac{5}{24}c times 3d = - frac{5}{8} cd$