问题 解答题

怎样简便就怎样算.

(1)80+720÷24-14

(2)76000÷125÷8

(3)199×99+99

(4)(4×17)×(3×25)

答案

(1)80+720÷24-14

=80+30-14,

=110-14,

=96;

(2)76000÷125÷8

=76000÷(125×8),

=76000÷1000,

=76;

(3)199×99+99

=(199+1)×99,

=200×99,

=19800;

(4)(4×17)×(3×25)

=(4×25)×(17×3),

=100×51,

=5100.

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