下面各题怎样简便就怎样算. 1300÷25÷4 833-243-457 46×16+16×54 25×125×32 1800-800÷2

2024-10-31 13:25:32
推荐回答(1个)
回答1:

(1)1300÷25÷4,
=1300÷(25×4),
=1300÷100,
=13;

(2)833-243-457,
=833-(243+457),
=833-700,
=133;

(3)46×16+16×54,
=(46+54)×16,
=100×16,
=1600;

(4)25×125×32,
=25×125×(8×4),
=(25×4)×(125×8),
=100×1000,
=100000;

(5)1800-800÷25×16,
=1800-32×16,
=1800-512,
=1288;

(6)199×47+47,
=(199+1)×47,
=200×47,
=9400.