或数学的一些英文版的关键词也行
4个回答
1)x09Find the largest number which when divided into 65 and 112 will leave remainders 5 and 7 respectively.
2)x09Three heaps of groundnuts weighing 42 kg,70 kg and 98 kg respectively are to be packed into equal bags.If these bags are as large as possible and no ground nuts are left over,how much is put into each bag?
3)x09The operation y means double the first number and add the second number to the result.Hence solve the following:
a)x092 y 4,b) 4 y 13,c) 7 y 13
4)x09Write down the members of the set of even numbers between 28 and 46 exclusive.
5)x09Determine the set of odd numbers greater than 31 but less than 49
