Question

А)15,25+60,98+10,50 b)19,405+20,210+8,100

Answer 1

Ответ:

а) 86, 73 b) 47,715

Пошаговое объяснение:

я не знаю що писати

Answer 2

To solve these addition problems with decimal numbers, you can follow these steps:

A) 15.25 + 60.98 + 10.50

1. Align the numbers by their decimal points:

   Copy code
   15.25
   

• 60.98
• 10.50

  Copy code
  

2. Add the numbers from right to left, just like you do with whole numbers. Start with the rightmost column (the hundredths place) and move to the left.

   Hundredths place: 5 + 8 + 0 = 13. Write down 3, carry over 1.

   Tens place: 2 + 9 + 5 (carry over) = 16. Write down 6, carry over 1.

   Ones place: 1 + 6 (carry over) + 0 = 7.

   Tens place: 0 (no carry over) + 1 = 1.

3. Write down the decimal point:

   The sum is 87.73.

So, A) 15.25 + 60.98 + 10.50 = 87.73.

B) 19.405 + 20.210 + 8.100

1. Align the numbers by their decimal points:

   Copy code
   19.405
   

• 20.210
• 8.100

  Copy code
  

2. Add the numbers from right to left:

   Thousandths place: 5 + 0 + 0 = 5.

   Hundredths place: 0 + 1 + 0 = 1.

   Tens place: 4 + 2 + 1 (carry over from the hundredths place) = 7.

   Ones place: 0 + 0 + 8 (carry over from the tens place) = 8.

   Tens place: 9 + 0 + 0 (carry over from the ones place) = 9.

   Hundreds place: 1 (carry over from the tens place) + 0 + 0 = 1.

   Thousands place: 1 (carry over from the hundreds place) + 2 + 0 = 3.

3. Write down the decimal point:

   The sum is 38.715.

So, B) 19.405 + 20.210 + 8.100 = 38.715.