问题
解答题
|
答案
(1)200-15×8,
=200-120,
=80;
(2)180×3×5,
=540×5,
=2700;
(3)(720-180)×6,
=540×6,
=3240;
(4)(33+39)÷6,
=72÷6,
=12;
(5)649-128×4,
=649-512,
=137;
(6)203×(72÷8),
=203×9,
=1827.
|
(1)200-15×8,
=200-120,
=80;
(2)180×3×5,
=540×5,
=2700;
(3)(720-180)×6,
=540×6,
=3240;
(4)(33+39)÷6,
=72÷6,
=12;
(5)649-128×4,
=649-512,
=137;
(6)203×(72÷8),
=203×9,
=1827.