Question

1) -3,4*2,7 2)-12,72:(-0,4) 3)15,45:(-15) с вычислением

Answer 1

Ответ:

1) -9,18

2) 31,8

3) 1,03

если можно,поставьте "лучший ответ",спасибо.доброго дня

Answer 2

1. -3 * 4 + 2 / 7: To solve this expression, we first perform the multiplication and division operations and then the addition and subtraction operations.

Step 1: -3 * 4 = -12 Step 2: 2 / 7 = 0.2857 (rounded to four decimal places)

Now we can rewrite the expression as: -12 + 0.2857

Step 3: -12 + 0.2857 = -11.7143 (rounded to four decimal places)

Therefore, -3 * 4 + 2 / 7 equals approximately -11.7143.

2. -12.72 / (-0.4): To solve this expression, we divide -12.72 by -0.4.

Step 1: -12.72 / -0.4 = 31.8

Therefore, -12.72 divided by -0.4 equals 31.8.

3. 15.45 / (-15): To solve this expression, we divide 15.45 by -15.

Step 1: 15.45 / -15 = -1.03 (rounded to two decimal places)

Therefore, 15.45 divided by -15 equals approximately -1.03.