Question

10+7+8-5+20+20-50+70-30=??????????​

Answer 1

Ответ:

50

Пошаговое объяснение:

все же можно на калькуляторе посчитать

Answer 2

Ответ:

10+7+8-5+20-50+70-30=30

Answer 3

Let's solve this mathematical expression step by step:

10 + 7 + 8 - 5 + 20 + 20 - 50 + 70 - 30

First, perform addition and subtraction from left to right:

10 + 7 = 17 17 + 8 = 25 25 - 5 = 20 20 + 20 = 40 40 - 50 = -10 -10 + 70 = 60 60 - 30 = 30

So, the final result is 30.