The area of high-standard cropland will be increased by 5.33 million hectares, and the coverage of efficient water-saving irrigation will expanded by 1.33 billion hectares. We will cultivate new types of agribusiness, improve agricultural technology, encourage whole-process, all-around development in ...
The result is 5. The number is( ). 答案 【解析】(8)1相关推荐 1【题目】(8) A number is increased by 5, then multiplied by 5, then reduced by 5,and finally divided by 5. The result is 5. The number is( ).
A number is increased by 50% and the result is 150. What was the original number? A. 100 B. 120 C. 130 D. 140 相关知识点: 试题来源: 解析 A。解析:设原来的数为x,增加50%后的数就是x加上50%x,即x+0.5x = 1.5x。已知结果是150,那么1.5x = 150,x就等于150除以1.5,得到100,所以选...
If a number is increased by 5, it becomes 15. The equation for this is: A. x + 5 = 15 B. x - 5 = 15 C. 5x = 15 D. 15 - x = 5 相关知识点: 试题来源: 解析 A。设这个数为 x,增加 5 后是 15,所以是 x + 5 = 15。B 选项 x - 5 = 15 表示这个数减去 5 等于 15,...
百度试题 结果1 题目A number is increased by 25% and the resulting number is then decreased by 20%. The final number iswhat percent of the original number? A. 90% B. 95% C. 100% D. 105% E. 120% 相关知识点: 试题来源: 解析 C ...
百度试题 结果1 题目Four times a number increased by 20 is the same as five times the number increased by9. Find the number.相关知识点: 试题来源: 解析 11 11
If a number is increased by 20% and the result is 80, what was the original number? A. 60 B. 64 C. 66 D. 70 相关知识点: 试题来源: 解析 A。设原数为 x ,x + 0.2x = 80 ,1.2x = 80 ,x = 66.67 ,约为 60 。反馈 收藏 ...
If a number is increased by 20% and then decreased by 20%, the final number is what percentage of the original number? A. 96% B. 100% C. 104% D. 120% 相关知识点: 试题来源: 解析 A。本题考查数学推理中的百分比变化。设原数为 100,增加 20%后变为 120,再减少 20%,即 120 的 20...
A. Decreased by 4% B. Increased by 4% C. No change D. Decreased by 20% 相关知识点: 试题来源: 解析 A。解析:设这个数为 100,增加 20%后是 120,再减少 20%是 120 乘以(1 - 20%)等于 96,相比原来减少了 4,减少的百分比是 4 除以 100 等于 4%。
If a number is increased by 10 and then divided by 2, the result is 15. What is the number? A. 20 B. 25 C. 30 D. 35 相关知识点: 试题来源: 解析 A。设这个数为 x,(x+10)÷2=15,解得 x=20。B 选项 25 不符合;C 选项 30 和 D 选项 35 都不对。