问题
填空题
下面各式中★和☉个代表一个数.
已知(★-☉)÷0.8=5.5,★×0.4=16.那么★=______,☉=______.
答案
★×0.4=16,
★=16÷0.4,
★=40,
(★-☉)÷0.8=5.5,
即40-☉=5.5×0.8,
40-☉=4.4,
☉=40-4.4,
☉=35.6,
故答案为:40,35.6.
下面各式中★和☉个代表一个数.
已知(★-☉)÷0.8=5.5,★×0.4=16.那么★=______,☉=______.
★×0.4=16,
★=16÷0.4,
★=40,
(★-☉)÷0.8=5.5,
即40-☉=5.5×0.8,
40-☉=4.4,
☉=40-4.4,
☉=35.6,
故答案为:40,35.6.