问题 解答题
一步一步地计算.
200-15×8
180×3×5(720-180)×6
(33+39)÷6649-128×4203×(72÷8)
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.

判断题
选择题