2. Вычислите: a) –125 ∙ (–347) ∙ (–8);
в) –4 ∙ 23 ∙ (–25); б) 10 ∙ (–549) ∙ (–50) ∙ 2;
г) 250 ∙ 65 ∙ (–4) ∙ (–2);

Question

Математика: 2. Вычислите: a) –125 ∙ (–347) ∙ (–8); в) –4 ∙ 23 ∙ (–25); б) 10 ∙ (–549) ∙ (–50) ∙ 2; г) 250 ∙ 65 ∙ (–4) ∙ (–2);

oksukbaevak · Answer

А)-125×(-347)×(-8)=-(125×8)×347=-1000×347=-347000

Б)10×(-549)×(-50)×2=(10×549)×(50×2)=5490×100=549000

В)-4×23×(-25)=(4×25)×23=100×23=2300

Г)250×65×(-4)×(-2)=(250×4)×(65×2)=1000×130=130000