问题
解答题
|
答案
(1)280+76×9-589,
=280+684-589,
=964-589,
=375;
(2)189÷9+16×8,
=21+128,
=149;
(3)(168-18)×(32+18),
=150×50,
=7500;
(4)7×(58+27)÷17,
=7×85÷17,
=595÷17,
=35.
|
(1)280+76×9-589,
=280+684-589,
=964-589,
=375;
(2)189÷9+16×8,
=21+128,
=149;
(3)(168-18)×(32+18),
=150×50,
=7500;
(4)7×(58+27)÷17,
=7×85÷17,
=595÷17,
=35.