How much is 40 times 2 and 11 / 40?

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• 1. 1 of 3 * 4 + 1 of 4 * 5 + 1 of 5 * 6. + 1 of 29 * 30 is equal to?
• 2. How many times is 64, how many times is 27? emergency
• 3. One in eighteen ten times eight in nine times two in three?
• 4. Eleven out of fifteen plus () one in fifteen equals the smallest prime number
• 5. The sum of 8.93-2 and 11 / 7-1 and 11 / 1 times 23 / 4 + 23 / 4
• 6. 3.5 * (20.6-16.8 ÷ 4.8) the simple calculation should be carried out
• 7. Simple calculation! 0.78 times 98 = 0.25 times 2.33 times 8 = 1.5 times 105= Simple calculation! 78 times 98= 0.25 by 2.33 by 8= 1.5 times 105= 0.3 by 2.5 by 0.4= 1.2 by 2.5 by 0.4 + 0.8 by 2.5= 4.8 times 0.25=
• 8. Simple calculation: 4.4 × 5.5-44 × 0.33-0.44 × 22 =? Details
• 9. Simple calculation of 3.8 * 5.4 + 7.2 * 6.2 + 1.8 * 3.8
• 10. 1 * 3 = 1 × 2 × 3, 4 * 5 = 4 × 5 × 6 × 7 × 8, please calculate 3 * 4
• 11. 3 / 4 of a number is equal to 1 / 4 of 180? 1. There are 30 sci-fi magazines in Xiaomin's home, which is two fifths of the story books. How many story books do you have? 2. There are 30 sci-fi magazines in Xiaomin's family, 3 / 5 less than story books. How many story books do you have? 3. There are 105 sci-fi magazines and storybooks in Xiaomin's family. The ratio of sci-fi magazines to storybooks is 2:5. What is the number of storybooks? 4. The speed of an ordinary motor car is about 200 km / h, which is one fifth of that of an ordinary Boeing airliner. Q: what is the speed of an ordinary Boeing airliner? 5. An ordinary train runs 90 kilometers in 3 / 4 hours. According to this calculation, it takes 9 / 2 hours to travel from place a to place B. how many kilometers are there between place a and place B? To be more specific, you need to calculate!
• 12. In a simple way, 6600 divided by 121 times 11 equals
• 13. Fourteen out of twenty-seven divided by 28, three fifths divided by 24, one-third divided by 6, six out of eleven divided by 30
• 14. 7 out of 12 × 3 out of 28 × 16 out of 21!
• 15. 1 / 2 1 / 3 1 / 4 1 / 6 = 7 / 12, fill in the appropriate operation symbols or brackets to make the equation true
• 16. 2 out of 15 + 2 out of 5 times 7 out of 12
• 17. How to calculate 1 * 15 2 * 14 3 * 13 4 * 12 5 * 11 6 * 10 7 * 9 8 * 8
• 18. 15.37 * 7.89-9.37 * 7.89 + 2.11-9.37 * 2.11
• 19. Simple operation 48 * 5 / 6 + 1 / 6, 3 / 7 + 3 / 7 * 48
• 20. Simple calculation: 8 out of 15 × 5 out of 16 + 5 out of 27 + 10 out of 9