问题描述：
when x+2 is divided by 5 the remainder is
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
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
问题解答：
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