题目内容
7.5÷0.15=75÷
1.5
1.5
=750
750
÷15=50
50
．分析：根据商不变的性质，被除数和除数同时乘或同时除以相同的数（0除外），商不变；由此解答即可．
解答：解：7.5÷0.15=75÷1.5=750÷15=50；
故答案为：1.5，750，50．
故答案为：1.5，750，50．
点评：本题主要考查了商不变的性质的实际应用．
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