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简便运算,20分悬赏6050-6300/42(2.5-2.5*0.6)/4(315+270)/(1.3*5)我很急啊!!

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简便运算,20分悬赏
6050-6300/42
(2.5-2.5*0.6)/4
(315+270)/(1.3*5)
我很急啊!!求你了~!!!!!!!!!!!!!!!!!!!!!!
简便运算,20分悬赏6050-6300/42(2.5-2.5*0.6)/4(315+270)/(1.3*5)我很急啊!!
6050-6300/42
=6050-7*6*150/(7*6)
=6050-150
=5900
(2.5-2.5*0.6)/4
=2.5(1-0.6)/4
=2.5*0.4/4
=2.5*0.1
=0.25
(315+270)/(1.3*5)
=585/(1.3*5)
=(13*5*9)/(1.3*5)
=10*9
=90
祝你开心