问题
解答题
脱式计算:
|
答案
(1)124×5+159÷3,
=620+53,
=673;
(2)(450-400)÷5+185,
=50÷5+185,
=10+185,
=195;
(3)25×(759-645)-2486,
=25×114-2486,
=2850-2486,
=364;
脱式计算:
|
(1)124×5+159÷3,
=620+53,
=673;
(2)(450-400)÷5+185,
=50÷5+185,
=10+185,
=195;
(3)25×(759-645)-2486,
=25×114-2486,
=2850-2486,
=364;