问题
解答题
8辆汽车5天节约汽油50.4千克.照这样计算,25辆汽车7天节约汽油多少千克?
答案
50.4÷8÷5×25×7,
=6.3÷5×25×7,
=31.5×7,
=220.5(千克);
答:,25辆汽车7天节约汽油220.5千克.
8辆汽车5天节约汽油50.4千克.照这样计算,25辆汽车7天节约汽油多少千克?
50.4÷8÷5×25×7,
=6.3÷5×25×7,
=31.5×7,
=220.5(千克);
答:,25辆汽车7天节约汽油220.5千克.