Question

1) 3,5 - (-9,7);2) 1,9 - 3,2;​

Answer 1

Пошаговое объяснение:

3.5-(-9,7)

3,5+9,7=13,2

1,9-3,2

3,2-1,9= -1,3

Answer 2

Let's solve these two arithmetic expressions step by step:

1. 3.5 - (-9.7):

To subtract a negative number, you can change it to addition by reversing the sign. So, this expression becomes:

3.5 + 9.7 = 13.2

2. 1.9 - 3.2:

Simply subtract 3.2 from 1.9:

1.9 - 3.2 = -1.3

So, the answers are:

1. 3.5 - (-9.7) = 13.2
2. 1.9 - 3.2 = -1.3