Question

数学题目：when x+2 is divided by 5 the remainder is 3求解答，谢谢~~~！！！

1) when x+2 is divided by 5 the remainder is 3.
question: the remainder when x is divided by 5 和2比较大小
2 ) two researchers spent a total of 35 hours on a certain project. one of the researchers spent 25 percent fewer hours on the project than the other.
question: the different between the number of hours spent by each 和7比较大小
3) M=（3的5次方）*（5的3次方 ）
N=2*（3的5次方）*（5的3次方 ）
question:the value of the units`digit of M 和 the value of the units`digit of N比较大小

Answer 1

1）x=13,所以x/5=2.6>2
2)两个researcher 单独完成项目用时分别是20，15小时，所以大于7

Answer 2

12

Answer 3

x

Answer 4

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