问题
解答题
|
答案
(1)215×2-312,
=430-312,
=118;
(2)196+48×3,
=196+144,
=340;
(3)56×(42-37),
=56×5,
=280;
(4)35×8+43×5,
=280+215,
=495.
|
(1)215×2-312,
=430-312,
=118;
(2)196+48×3,
=196+144,
=340;
(3)56×(42-37),
=56×5,
=280;
(4)35×8+43×5,
=280+215,
=495.