4.87*24+11.6*48.7-400*0.487求得数

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4.87*24+11.6*48.7-400*0.487求得数4.87*24+11.6*48.7-400*0.487求得数4.87*24+11.6*48.7-400*0.487求得数4.87*24+11

4.87*24+11.6*48.7-400*0.487求得数
4.87*24+11.6*48.7-400*0.487求得数

4.87*24+11.6*48.7-400*0.487求得数
4.87*24+11.6*48.7-400*0.487
=4.87*(24+116-40)
=4.87*100
=487

487

0.487(10*24+100*11.6-400)=0.487*1000=487

原式=4.87*(24+116-40)=4.87*100=487

原式=4.87*(24+116-40)
=4.87*100
=487