脱式计算.1000-71×8 (1800-800)×4 19×96-962÷74 (639-71×9)÷167 (10800-800×4)÷4 10000-

2024-12-03 08:13:08
推荐回答(1个)
回答1:

(1)1000-71×8,
=1000-568,
=432;

(2)(1800-800)×4,
=1000×4,
=4000;

(3)19×96-962÷74,
=1824-13,
=1811;

(4)(639-71×9)÷167,
=(639-639)÷167,
=0÷167,
=0;

(5)(10800-800×4)÷4,
=(10800-3200)÷4,
=7600÷4,
=1900;

(6)10000-(59+66)×64,
=10000-125×64,
=10000-125×8×8,
=10000-1000×8,
=10000-8000,
=2000.