Question

A) 3,5: 7+2,8: 0,4 - 0,74.5; с действиями​

Answer 1

Ответ:

6,76

Пошаговое объяснение:

3,5: 7+2,8: 0,4 - 0,74

1) 3,5:7=0,5

2) 2,8:0,4=7

3) 0,5+7=7,5

4) 7,5-0,74=6,76

Answer 2

To solve the expression 3,5: 7 + 2,8: 0,4 - 0,74.5, let's break it down step by step:

Step 1: Perform the division 3,5 divided by 7: 3,5 ÷ 7 = 0,5

Step 2: Perform the division 2,8 divided by 0,4: 2,8 ÷ 0,4 = 7

Step 3: Perform the subtraction 7 - 0,74.5: 7 - 0,74.5 = -67.5

Therefore, the result of the expression 3,5: 7 + 2,8: 0,4 - 0,74.5 is -67.5.