Вопрос:

Calculate: 1400 x 140 = ? 1300 x 30 = ? 5000 x 40 = ? 160 x 40 = ? 660 : 60 = ? 110 x 90 = ? 4800 : 40 = ? 1300 x 60 = ? 150 x 50 = ? 1050 : 70 = ? 120 x 60 = ? 11700 : 90 = ? 170 x 70 = ? 12600 : 9 = ? 1400 x 60 = ? 1090 : 90 = ? 1100 x 80 = ? 540 : 30 = ? 140 x 30 = ? 9600 : 80 = ? 1400 x 50 = ? 7800 : 60 = ? 1600 x 60 = ? 7500 : 50 = ? 130 x 10 = ? 7200 : 60 = ? 1200 x 30 = ? 2200 : 20 = ? 110 x 40 = ? 1330 : 70 = ? 190 x 20 = ? 8400 : 70 = ? 1700 x 30 = ? 110 x 20 = ? 1400 x 7 = ?

Ответ:

Решение:

Умножение и деление круглых чисел:

\( 1400 \times 140 = 196000 \)\( 680 : 40 = 17 \)\( 160 \times 5 = 800 \)\( 9600 : 60 = 160 \)
\( 1300 \times 30 = 39000 \)\( 1900 \times 5 = 9500 \)\( 4800 : 30 = 160 \)\( 600 : 40 = 15 \)
\( 5000 \times 40 = 200000 \)\( 1360 : 8 = 170 \)\( 8500 : 50 = 170 \)\( 1800 : 30 = 60 \)
\( 160 \times 40 = 6400 \)\( 330 : 30 = 11 \)\( 5700 : 30 = 190 \)\( 1100 : 10 = 110 \)
\( 660 : 60 = 11 \)\( 1200 : 8 = 150 \)\( 150 \times 60 = 9000 \)\( 190 \times 60 = 11400 \)
\( 110 \times 90 = 9900 \)\( 1900 \times 8 = 15200 \)\( 8400 : 60 = 140 \)\( 900 : 60 = 15 \)
\( 4800 : 40 = 120 \)\( 7200 : 4 = 1800 \)\( 170 \times 50 = 8500 \)\( 1800 \times 8 = 14400 \)
\( 1300 \times 60 = 78000 \)\( 110 \times 30 = 3300 \)\( 1700 : 170 = 10 \)\( 15200 : 80 = 190 \)
\( 150 \times 50 = 7500 \)\( 1800 \times 8 = 14400 \)\( 3600 : 120 = 30 \)\( 1200 \times 50 = 60000 \)
\( 1050 : 70 = 15 \)\( 110 \times 50 = 5500 \)\( 1120 : 140 = 8 \)\( 5100 : 30 = 170 \)
\( 120 \times 60 = 7200 \)\( 1500 : 10 = 150 \)\( 180 \times 10 = 1800 \)\( 70 \times 800 = 56000 \)
\( 11700 : 90 = 130 \)\( 1500 \times 7 = 10500 \)\( 150 \times 30 = 4500 \)\( 360 : 120 = 3 \)
\( 170 \times 70 = 11900 \)\( 3400 : 20 = 170 \)\( 11900 : 7 = 1700 \)\( 1440 : 180 = 8 \)
\( 12600 : 9 = 1400 \)\( 3100 : 20 = 155 \)\( 1200 : 10 = 120 \)\( 440 : 110 = 4 \)
\( 1400 \times 60 = 84000 \)\( 9800 : 7 = 1400 \)\( 700 \times 20 = 14000 \)\( 4500 : 750 = 6 \)
\( 1090 : 90 = 12.11... \)\( 1500 \times 4 = 6000 \)\( 1040 : 8 = 130 \)\( 1800 : 50 = 36 \)
\( 1100 \times 80 = 88000 \)\( 5500 : 50 = 110 \)\( 17100 : 9 = 1900 \)\( 1440 : 90 = 16 \)
\( 540 : 30 = 18 \)\( 110 \times 10 = 1100 \)\( 640 : 40 = 16 \)\( 130 \times 40 = 5200 \)
\( 140 \times 30 = 4200 \)\( 160 \times 10 = 1600 \)\( 700 \times 60 = 42000 \)\( 1140 : 80 = 14.25 \)
\( 9600 : 80 = 120 \)\( 1900 \times 3 = 5700 \)\( 500 \times 10 = 5000 \)\( 1100 : 60 = 18.33... \)
\( 1400 \times 50 = 70000 \)\( 1020 : 6 = 170 \)\( 2080 : 40 = 52 \)\( 5600 : 70 = 80 \)
\( 7800 : 60 = 130 \)\( 180 \times 7 = 1260 \)\( 1700 \times 8 = 13600 \)\( 120 : 40 = 3 \)
\( 1600 \times 60 = 96000 \)\( 9000 : 50 = 180 \)\( 190 \times 40 = 7600 \)\( 6600 : 80 = 82.5 \)
\( 7500 : 50 = 150 \)\( 13500 : 9 = 1500 \)\( 3400 : 50 = 68 \)\( 1700 \times 90 = 153000 \)
\( 130 \times 10 = 1300 \)\( 9900 : 90 = 110 \)\( 3200 : 20 = 160 \)\( 4200 : 30 = 140 \)
\( 7200 : 60 = 120 \)\( 150 \times 90 = 13500 \)\( 800 : 50 = 16 \)\( 1200 : 80 = 15 \)
\( 1200 \times 30 = 36000 \)\( 300 : 10 = 30 \)\( 700 \times 140 = 98000 \)\( 7000 : 50 = 140 \)
\( 2200 : 20 = 110 \)\( 150 \times 20 = 3000 \)\( 900 \times 420 = 378000 \)\( 4500 : 30 = 150 \)
\( 110 \times 40 = 4400 \)\( 770 : 110 = 7 \)\( 500 : 10 = 50 \)\( 180 \times 40 = 7200 \)
\( 1330 : 70 = 19 \)\( 560 : 140 = 4 \)\( 150 \times 10 = 1500 \)\( 7800 : 60 = 130 \)
\( 190 \times 20 = 3800 \)\( 8400 : 140 = 60 \)\( 1700 \times 4 = 6800 \)\( 2800 : 20 = 140 \)
\( 8400 : 70 = 120 \)\( 650 : 130 = 5 \)\( 1800 \times 5 = 9000 \)\( 7000 : 50 = 140 \)
\( 1700 \times 30 = 51000 \)\( 180 \times 20 = 3600 \)\( 1530 : 90 = 17 \)\( 130 : 10 = 13 \)
\( 110 \times 20 = 2200 \)\( 150 \times 80 = 12000 \)\( 170 \times 60 = 10200 \)\( 360 : 30 = 12 \)
\( 1400 \times 7 = 9800 \)\( 7600 : 40 = 190 \)\( 1120 : 7 = 160 \)\( 8500 : 50 = 170 \)

Ответ: Выполнены вычисления.