分数乘整数,用分数的______与______相乘的积作分子,______不变.
分数乘整数,用分数的分子与整数相乘的积作分子,分母不变.
故答案为:分子、整数、分母.
仿制图章工具的具体使用方法?
____ he has made up his mind to do something, nothing will stop him.
A.Once
B.Before
C.Although
D.As if