xai 1. Đặt tính rồi tính a) 582:32 8241:67 1154:62 10105:43 5938:64 779:18 8955:15 440880:33 23400:30 b) 2746:95 8192:64 987654:97 102345:98 9468:18 13275:25 38880:15 18408:48 1280:53 c) 912times 25 1968times 34 987times 48 6348times 37 7382times 17 9358times 22 758times 76 2347times 64 995times 48 d) 3280times 46 758times 84 3758times 39 2729times 41 957times 53 2693times 23 85485times 15 3429times 28 474times 93

a) <br />1. \( \frac{582}{32} = 18.1875 \)<br />2. \( \frac{8241}{67} = 123.5 \)<br />3. \( \frac{1154}{62} = 18.6129 \)<br />4. \( \frac{10105}{43} = 235.0 \)<br />5. \( \frac{5938}{64} = 92.65625 \)<br />6. \( \frac{779}{18} = 43.1667 \)<br />7. \( \frac{8955}{15} = 597.0 \)<br />8. \( \frac{440880}{33} = 13395.1515 \)<br />9. \( \frac{23400}{30} = 780.0 \)<br />b) <br />1. \( \frac{2746}{95} = 28.8 \)<br />2. \( \frac{8192}{64} = 128.4375 \)<br />3. \( \frac{987654}{97} = 10137.6667 \)<br />4. \( \frac{102345}{98} = 104.5 \)<br />5. \( \frac{9468}{18} = 526.0 \)<br />6. \( \frac{13275}{25} = 531.0 \)<br />7. \( \frac{38880}{15} = 2592.0 \)<br />8. \( \frac{18408}{48} = 381.5 \)<br />9. \( \frac{1280}{53} = 24.1698 \)<br />c) <br />1. \( 912 \times 25 = 22800 \)<br />2. \( 1968 \times 34 = 66852 \)<br />3. \( 987 \times 48 = 47232 \)<br />4. \( 6348 \times 37 = 234516 \)<br />5. \( 7382 \times 17 = 125894 \)<br />6. \( 9358 \times 22 = 205516 \)<br />7. \( 758 \times 76 = 57968 \)<br />8. \( 2347 \times 64 = 149568 \)<br />9. \( 995 \times 48 = 47840 \)<br />d) <br />1. \( 3280 \times 46 = 150080 \)<br />2. \( 758 \times 84 = 63612 \)<br />3. \( 3758 \times 39 = 146262 \)<br />4. \( 2729 \times 41 = 112329 \)<br />5. \( 957 \times 53 = 50641 \)<br />6. \( 2693 \times 23 = 62099 \)<br />7. \( 85485 \times 15 = 129765 \)<br />8. \( 3429 \times 28 = 9612 \)<br />9. \( 474 \times 93 = 43962 \)