计算下面各题，能简算的要简算:
(1)57.6/3.6+57.6/6.4(2)72*0.81+10.4(3)7.2*0.1*28.5(4)0.45*0.18*300(5)18.1*0.92+3.93(6...
(1)57.6/3.6+57.6/6.4
(2)72*0.81+10.4
(3)7.2*0.1*28.5
(4)0.45*0.18*300
(5)18.1*0.92+3.93
(6)3.76*0.25+25.8
(7)28.8/3.2-19.2/3.2
(8)2.5+7.5*(8.65-2.25) 展开
(2)72*0.81+10.4
(3)7.2*0.1*28.5
(4)0.45*0.18*300
(5)18.1*0.92+3.93
(6)3.76*0.25+25.8
(7)28.8/3.2-19.2/3.2
(8)2.5+7.5*(8.65-2.25) 展开
2个回答
展开全部
(1)57.6/3.6+57.6/6.4
=16+9
=25
(2)72*0.81+10.4
=58.32+10.4
=68.72
(3)7.2*0.1*28.5
=0.72*28.5
=20.52
(4)0.45*0.18*300
=0.081*300
=24.3
(5)18.1*0.92+3.93
=16.652+3.93
=20.583
(6)3.76*0.25+25.8
=0.94+25.8
=26.74
(7)28.8/3.2-19.2/3.2
=（28.8-19.2）/3.2
=9.6/3.2
=3
(8)2.5+7.5*(8.65-2.25)
=2.5+7.5*6.4
=2.5+48
=50.5
=16+9
=25
(2)72*0.81+10.4
=58.32+10.4
=68.72
(3)7.2*0.1*28.5
=0.72*28.5
=20.52
(4)0.45*0.18*300
=0.081*300
=24.3
(5)18.1*0.92+3.93
=16.652+3.93
=20.583
(6)3.76*0.25+25.8
=0.94+25.8
=26.74
(7)28.8/3.2-19.2/3.2
=（28.8-19.2）/3.2
=9.6/3.2
=3
(8)2.5+7.5*(8.65-2.25)
=2.5+7.5*6.4
=2.5+48
=50.5
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展开全部
(1)57.6/3.6+57.6/6.4
=16+9
=25
(2)72*0.81+10.4
=58.32+10.4
=68.72
(3)7.2*0.1*28.5
=0.72*28.5
=20.52
(4)0.45*0.18*300
=0.081*300
=24.3
(5)18.1*0.92+3.93
=16.652+3.93
=20.583
(6)3.76*0.25+25.8
=0.94+25.8
=26.74
(7)28.8/3.2-19.2/3.2
=（28.8-19.2）/3.2
=9.6/3.2
=3
(8)2.5+7.5*(8.65-2.25)
=2.5+7.5*6.4
=2.5+48
=50.5
=16+9
=25
(2)72*0.81+10.4
=58.32+10.4
=68.72
(3)7.2*0.1*28.5
=0.72*28.5
=20.52
(4)0.45*0.18*300
=0.081*300
=24.3
(5)18.1*0.92+3.93
=16.652+3.93
=20.583
(6)3.76*0.25+25.8
=0.94+25.8
=26.74
(7)28.8/3.2-19.2/3.2
=（28.8-19.2）/3.2
=9.6/3.2
=3
(8)2.5+7.5*(8.65-2.25)
=2.5+7.5*6.4
=2.5+48
=50.5
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