脱式计算.8360+(201-438÷73)2790÷(250×12-2991)(374-265+238)×6 &nbs...

2024-12-13 20:01:00
推荐回答(1个)
回答1:

(1)8360+(201-438÷73)
=8360+(201-6)
=8360+195
=8555;

(2)2790÷(250×12-2991)
=2790÷(3000-2991)
=2790÷9
=310;

(3)(374-265+238)×6
=(109+238)×6     
=347×6
=2082;

(4)50-50÷5+6
=50-10+6
=40+6
=46.