计算下面各题,能简便计算的要用简便方法计算. 296+73+104+37 1600÷25÷4 125×54-46×125

2024-12-19 06:36:30
推荐回答(1个)
回答1:

(1)296+73+104+37,
=(296+104)+(73+37),
=400+110,
=510;

(2)1600÷25÷4,
=1600÷(25×4),
=1600÷100,
=16;

(3)125×54-46×125,
=125×(54-46),
=125×8,
=1000;

(4)50.34+11.645-42.34,
=50.34-42.34+11.645,
=8+11.645,
=19.645;

(5)125×25×32,
=125×25×4×8,
=(125×8)×(25×4),
=1000×100,
=100000;

(6)99+99×99,
=99×(1+99),
=99×100,
=9900.