问题
填空题
代数式3m+2n的实际意义是：______．
答案
如一个苹果的质量是m，一个桔子的质量是n，那么3个苹果和2个桔子的质量和是3m+2n．
故答案为：一个苹果的质量是m，一个桔子的质量是n，那么3个苹果和2个桔子的质量和是3m+2n（答案不唯一）．
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代数式3m+2n的实际意义是：______．
如一个苹果的质量是m，一个桔子的质量是n，那么3个苹果和2个桔子的质量和是3m+2n．
故答案为：一个苹果的质量是m，一个桔子的质量是n，那么3个苹果和2个桔子的质量和是3m+2n（答案不唯一）．
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| I' m Tina. I am 1 English girl. I 2 England. I 3 13 years old. I am 4 . I have a round face, a small nose, a wide mouth, long 5 and 6 eyes. I have a brother(弟弟). His name is James. He is a student, too. He 7 a big nose, a long face and short hair. His ears 8 big. We are 9 the same grade, but in different 10 . I' m in Class 3, he is in Class 7. | |||
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