There are 22 boys and 23 girls in a class. What's the number of boys? The unit "1" here is () can you tell me the reason There are 22 boys and 23 girls in a class. What's the number of boys? The unit "1" here is (& nbsp; & nbsp;) & nbsp; & nbsp; can you tell me why?

There are 22 boys and 23 girls in a class. What's the number of boys? The unit "1" here is () can you tell me the reason There are 22 boys and 23 girls in a class. What's the number of boys? The unit "1" here is (& nbsp; & nbsp;) & nbsp; & nbsp; can you tell me why?

When I was in primary school, my teacher told me a trick: the front is better than the back. That is to say, a is B So unit one is B, C is more than D So unit one is d
Very easy to use ~ (hope to help you)