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МатематикаВопрос:
3x20 = 80: 4 = 80:20 = 40:20 90:30 = 80: 2= 00: 5= 2x30 = 00: 2 = 300x 5 = 90: 3 = 210: 3= 20× 5 = 30x 8 = 30× 3 = 810: 9 = 60:30 = 60:20 = 80:20 = 80:40 = 60: 3 = 540:90 = 60:20 = 90x 6 = 80:40 = 160: 4 = 00: 2 = 480: 6 = 90: 3 = 60x 5 = 2x30 = 420: 6 = 80: 2 = 4×50 = 30x 2 = 360: 9 = 60: 2 = 210: 3 = 20× 4 = 7×50 = 00: 5= 420: 6 = 60: 3 = 810: 9 = 40x 2 = 180: 2 = 60: 3= 30x 8 = 30 x 3 = 90× 9 = 00:5 = 60: 3 = 3x20 = 60: 2 = 00: 5= 0×21 = 90:30 = 80: 4 = 00: 5= 190× 0 = 40× 2 = 84× 0 = 80: 4 = 720: 8 = 00: 2 = 8x 4 = 3x20 = 280: 4 = 90: 3 = 240: 8 = 2×50 = 60x 3 = 20× 5 = 180: 3 = 40: 2 = 80× 4 = 30x 2 = 280: 4 = 2x20 = 240: 8 = 60: 2 = 450: 9 = 60:20 = 80× 9 = 20× 3 = 180: 2 =
Ответ:
Решение:
Приведём вычисления по каждому примеру:
| \( 3 \times 20 = 60 \) | \( 80 : 4 = 20 \) | \( 80 : 20 = 4 \) | \( 40 : 20 = 2 \) |
| \( 90 : 30 = 3 \) | \( 80 : 2 = 40 \) | \( 100 : 5 = 20 \) | \( 2 \times 30 = 60 \) |
| \( 100 : 2 = 50 \) | \( 300 \times 5 = 1500 \) | \( 90 : 3 = 30 \) | \( 210 : 3 = 70 \) |
| \( 20 \times 5 = 100 \) | \( 30 \times 8 = 240 \) | \( 30 \times 3 = 90 \) | \( 810 : 9 = 90 \) |
| \( 60 : 30 = 2 \) | \( 60 : 20 = 3 \) | \( 80 : 20 = 4 \) | \( 80 : 40 = 2 \) |
| \( 60 : 3 = 20 \) | \( 540 : 90 = 6 \) | \( 60 : 20 = 3 \) | \( 90 \times 6 = 540 \) |
| \( 80 : 40 = 2 \) | \( 160 : 4 = 40 \) | \( 100 : 2 = 50 \) | \( 480 : 6 = 80 \) |
| \( 90 : 3 = 30 \) | \( 60 \times 5 = 300 \) | \( 2 \times 30 = 60 \) | \( 420 : 6 = 70 \) |
| \( 80 : 2 = 40 \) | \( 4 \times 50 = 200 \) | \( 30 \times 2 = 60 \) | \( 360 : 9 = 40 \) |
| \( 60 : 2 = 30 \) | \( 210 : 3 = 70 \) | \( 20 \times 4 = 80 \) | \( 7 \times 50 = 350 \) |
| \( 100 : 5 = 20 \) | \( 420 : 6 = 70 \) | \( 60 : 3 = 20 \) | \( 810 : 9 = 90 \) |
| \( 40 \times 2 = 80 \) | \( 180 : 2 = 90 \) | \( 60 : 3 = 20 \) | \( 30 \times 8 = 240 \) |
| \( 30 \times 3 = 90 \) | \( 90 \times 9 = 810 \) | \( 100 : 5 = 20 \) | \( 60 : 3 = 20 \) |
| \( 3 \times 20 = 60 \) | \( 60 : 2 = 30 \) | \( 100 : 5 = 20 \) | \( 0 \times 21 = 0 \) |
| \( 90 : 30 = 3 \) | \( 80 : 4 = 20 \) | \( 100 : 5 = 20 \) | \( 190 \times 0 = 0 \) |
| \( 40 \times 2 = 80 \) | \( 84 \times 0 = 0 \) | \( 80 : 4 = 20 \) | \( 720 : 8 = 90 \) |
| \( 100 : 2 = 50 \) | \( 8 \times 4 = 32 \) | \( 3 \times 20 = 60 \) | \( 280 : 4 = 70 \) |
| \( 90 : 3 = 30 \) | \( 240 : 8 = 30 \) | \( 2 \times 50 = 100 \) | \( 60 \times 3 = 180 \) |
| \( 20 \times 5 = 100 \) | \( 180 : 3 = 60 \) | \( 40 : 2 = 20 \) | \( 80 \times 4 = 320 \) |
| \( 30 \times 2 = 60 \) | \( 280 : 4 = 70 \) | \( 2 \times 20 = 40 \) | \( 240 : 8 = 30 \) |
| \( 60 : 2 = 30 \) | \( 450 : 9 = 50 \) | \( 60 : 20 = 3 \) | \( 80 \times 9 = 720 \) |
| \( 20 \times 3 = 60 \) | \( 180 : 2 = 90 \) |
