问题 解答题

用递等式计算:

360+612÷12

(200-1456÷26)×24

8+0.68-0.36

2790÷(250×12-2991)

答案

(1)360+612÷12,

=360+51,

=411;

(2)(200-1456÷26)×24,

=(200-56)×24,

=144×24,

=3456;

(3)8+0.68-0.36,

=8.68-0.36,

=8.32;

(4)2790÷(250×12-2991),

=2790÷(3000-2991),

=2790÷9,

=310.

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