数学提问五年级上册智慧冲浪2.25*0.16+264*0.225+5.2*2.25+0.225*20=?
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数学提问五年级上册智慧冲浪2.25*0.16+264*0.225+5.2*2.25+0.225*20=?
![数学提问五年级上册智慧冲浪2.25*0.16+264*0.225+5.2*2.25+0.225*20=?](/uploads/image/z/5329205-53-5.jpg?t=%E6%95%B0%E5%AD%A6%E6%8F%90%E9%97%AE%E4%BA%94%E5%B9%B4%E7%BA%A7%E4%B8%8A%E5%86%8C%E6%99%BA%E6%85%A7%E5%86%B2%E6%B5%AA2.25%2A0.16%EF%BC%8B264%EF%BC%8A0%EF%BC%8E225%EF%BC%8B5%EF%BC%8E2%2A2.25%2B0.225%2A20%3D%3F)
原式=2.25*0.16+2.25*26.4+2.25*5.2+2.25*2
=2.25*(0.16+26.4+5.2+2)
=2.25*33.76
=4.5*16.88
=9*8.44
=75.96
=2.25*(0.16+26.4+5.2+2)
=2.25*33.76
=4.5*16.88
=9*8.44
=75.96