问题
解答题
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答案
(1)903-5130÷45,
=903-114,
=789;
(2)425÷25,
=(425×4)÷(25×4),
=1700÷100,
=17;
(3)19×(4480÷14-278),
=19×(320-278),
=19×42,
=798;
(4)80×(125-93),
=80×125-80×93,
=10000-7440,
=2560;
(5)(187-98)×(903-889),
=89×14,
=1246;
(6)3267-(527+82)-318,
=(3267-527)-(82+318),
=2700-400,
=2300.