问题
解答题
□÷21+66=210□+10-6=20300-□×6=48.
答案
(1)(210-66)×21
=144×21,
=3024.
所以,3024÷21+66=210;
(2)20+6-10=16,
所以,16+10-6=20;
(3)(300-48)÷6
=252÷6,
=42.
所以,300-42×6=48.
故答案为:3024,16,42.
□÷21+66=210□+10-6=20300-□×6=48.
(1)(210-66)×21
=144×21,
=3024.
所以,3024÷21+66=210;
(2)20+6-10=16,
所以,16+10-6=20;
(3)(300-48)÷6
=252÷6,
=42.
所以,300-42×6=48.
故答案为:3024,16,42.