问题
解答题
在横线里填上适当的数.
(1)480÷______-12=3
(2)(79+______)÷34=4.
答案
(1)480÷(12+3),
=480÷15,
=32;
原算式是:480÷32-12=3;
(2)34×4-79,
=136-79,
=57;
原算式是:(79+57)÷34=4.
故答案为:32,57.
在横线里填上适当的数.
(1)480÷______-12=3
(2)(79+______)÷34=4.
(1)480÷(12+3),
=480÷15,
=32;
原算式是:480÷32-12=3;
(2)34×4-79,
=136-79,
=57;
原算式是:(79+57)÷34=4.
故答案为:32,57.