问题
填空题
根据32×15=480,可知0.32×15=______,3.2×1.5=______.
答案
根据32×15=480,
可知0.32×15,
=(32÷100)×15,
=32×15÷100,
=4.8;
3.2×1.5,
=(32÷10)×(15÷10)
=32×15÷10÷10,
=4.8;
故答案为:4.8,4.8.
根据32×15=480,可知0.32×15=______,3.2×1.5=______.
根据32×15=480,
可知0.32×15,
=(32÷100)×15,
=32×15÷100,
=4.8;
3.2×1.5,
=(32÷10)×(15÷10)
=32×15÷10÷10,
=4.8;
故答案为:4.8,4.8.