Question

1. -26×(-12)-26×(-18)-26×40
2. -4+(-3):[2-(-6:(-2)]+1​

Answer 1

1) -26×(-12)-26×(-18)-26×40=

pentru a nu face calcule mari îl dăm pe 26 factor comun

= - 26•(-12-18+40)=

= - 26•(-30+40)=

= - 26•10=

= - 260

2)

$- 4 + ( - 3) \div (2 - ( - 6) \div ( - 2)) + 1 = \\ = - 4 - 3 \div (2 -( + 3)) + 1 =\\ = - 4 - 3 \div (2 - 3) + 1 = \\ = - 4 - 3 \div ( - 1) + 1 = \\ = - 4 + 3 + 1 = \\ = - 1 + 1 = \\ = 0$