Расшифруйте название хищного насекомого. Работайте в тетради.
С 125 − 55 : 11 − 90 : 3
Р 60 + 76 : 19 − 42 : 14 * 0
О 48 : 2 * 10 + 70 : 2
А 75 : 15 * 100 − 80 : 2
З 18 * 2 * 10 + (400 − 30)
К 134 − 200 : 100 * 16
Т (32 : 8 + 32 : 2) * 10
Е 35 : 1 + 25 : 5 + 60 * 1
| 90 | 200 | 64 | 100 | 102 | 275 | 730 | 460 |
|---|
С 125 − 55 : 11 − 90 : 3 = 90
Р 60 + 76 : 19 − 42 : 14 * 0 = 64
О 48 : 2 * 10 + 70 : 2 = 240 + 35 = 275
А 75 : 15 * 100 − 80 : 2 = 500 − 40 = 460
З 18 * 2 * 10 + (400 − 30) = 360 + 370 = 730
К 134 − 200 : 100 * 16 = 134 − 32 = 102
Т (32 : 8 + 32 : 2) * 10 = (4 + 16) * 10 = 200
Е 35 : 1 + 25 : 5 + 60 * 1 = 35 + 5 + 60 = 100
| 90 | 200 | 64 | 100 | 102 | 275 | 730 | 460 |
|---|---|---|---|---|---|---|---|
| С | Т | Р | Е | К | О | З | А |
Ответ: СТРЕКОЗА.
Вычисления:
С 125 − 55 : 11 − 90 : 3 = 90
$\snippet{name: long_division, x: 55, y: 11}$
90 : 3 = (9 * 10) : 3 = (9 : 3) * 10 = 3 * 10 = 30
125 − 5 = 120
120 − 30 = 90
Р 60 + 76 : 19 − 42 : 14 * 0 = 60 + 4 − 0 = 64
$\snippet{name: long_division, x: 76, y: 19}$
$\snippet{name: long_division, x: 42, y: 14}$
3 * 0 = 0
60 + 4 − 0 = 64
О 48 : 2 * 10 + 70 : 2 = 240 + 35 = 275
$\snippet{name: long_division, x: 48, y: 2}$
$\snippet{name: long_division, x: 70, y: 2}$
24 * 10 + 35 = 240 + 35 = 275
А 75 : 15 * 100 − 80 : 2 = 500 − 40 = 460
$\snippet{name: long_division, x: 75, y: 15}$
$\snippet{name: long_division, x: 80, y: 2}$
5 * 100 − 40 = 500 − 40 = 460
З 18 * 2 * 10 + (400 − 30) = 360 + 370 = 730
18 * 2 = (10 * 2) + (8 * 2) = 20 + 16 = 36
400 − 30 = 370
36 * 10 + 370 = 36 * 10 + 37 * 10 = 73 * 10 = 730
К 134 − 200 : 100 * 16 = 134 − 32 = 102
$\snippet{name: long_division, x: 200, y: 100}$
2 * 16 = 10 * 2 + 6 * 2 = 20 + 12 = 32
134 − 32 = 102
Т (32 : 8 + 32 : 2) * 10 = (4 + 16) * 10 = 200
$\snippet{name: long_division, x: 32, y: 8}$
$\snippet{name: long_division, x: 32, y: 2}$
(4 + 16) * 10 = 20 * 10 = 200
Е 35 : 1 + 25 : 5 + 60 * 1 = 35 + 5 + 60 = 100
35 : 1 = 35
$\snippet{name: long_division, x: 25, y: 5}$
60 * 1 = 60
35 + 5 + 60 = 40 + 60 = 100
