脱式计算.350×[(120-60)÷15]480÷(40+40)×2936÷[6×(18-5)](1230+270)÷30×26

2025-02-27 08:31:52
推荐回答(1个)
回答1:

(1)350×[(120-60)÷15]
=350×[60÷15]
=350×4
=1400

(2)480÷(40+40)×2
=480÷80×2
=6×2
=12

(3)936÷[6×(18-5)]
=936÷[6×13]
=936÷78
=12

(4)(1230+270)÷30×26
=1500÷30×26
=50×26
=1300