"Выражения. Нахождение значения выражения удобным способом"

7,7 + 3,2 =

1 – 0,12 =

2,65 + 0,25 =

5,9 + 0,3 =

7,5 – 0,6 =

4 – 0,9 =

18,6 + 4,2 =

1,37 + 3,7 =

7,19 – 7,08 =

17 – 1,3 =

59,1 + 2,07 =

12,25 + 2 =

4 ≤ Х ≤ 8

5 У ≥ 0

Х 81

5 ≤ Х

У ≤ 37

21

8

54 ≤ Х ≤ 100

С ≥ 34

Х

Х больше или равен 2,5

______________________________________________________________

А меньше чем 3, но больше чем 3,6

______________________________________________________________

5,483

5,485

0,8: 0,1

0,8 : 0,2

2,31 + 7,65 + 8,69 = _____________________________________________________________________

237 + 118 – 37 = _______________________________________________________________________

25 * 867 * 4 = _______________________________________________________________________

124 – 86 – 24 = _______________________________________________________________________

896 + 654 – 596 = ______________________________________________________________________

374 + 93 + 28 + 526 + 12 = _______________________________________________________________

4,67 + 3,15 + 5,33 + 6,85 = _______________________________________________________________

- 651 + 348 + 851 = _____________________________________________________________________

16 * 25 – 16 * 15 =______________________________________________________________________

856 * 92 – 853 * 92 =____________________________________________________________________

318 * 78 + 318 * 22 = ___________________________________________________________________

65 * 246 – 65 * 229 – 65 * 17 = ___________________________________________________________

А) (84 – 27) – (39 – 27) – (84 – 39) = ______________________________________________________

_____________________________________________________________________________________

Б) – (59 – 36) – (47-59) + (47 – 36) = ______________________________________________________

_____________________________________________________________________________________

В) – 0,37 + (4,2 – 4,63) =________________________________________________________________

_____________________________________________________________________________________

Г) 3,7 + (2,3 – 5,6) = ________________________________________________________________

_____________________________________________________________________________________

***

8,757 – (7,8 – 1,043) =

3,96 + (2,375 – 3,96) =