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〖1/1算式〗
作业:求算式 4.5%*0.75*8/19.6+7.5%*5/19.6+12.5%0.6/19.6+9.09%*6/19.6 的值.
题型:数学计算
解:
4.5%*0.75*8/19.6+7.5%*5/19.6+12.5%0.6/19.6+9.09%*6/19.6
=0.045*0.75*8/19.6+7.5%*5/19.6+12.5%0.6/19.6+9.09%*6/19.6
=0.045*0.75*8/19.6+0.075*5/19.6+12.5%0.6/19.6+9.09%*6/19.6
=0.045*0.75*8/19.6+0.075*5/19.6+0.1250.6/19.6+9.09%*6/19.6
=0.045*0.75*8/19.6+0.075*5/19.6+0.1250.6/19.6+0.0909*6/19.6
=0.03375*8/19.6+0.075*5/19.6+0.1250.6/19.6+0.0909*6/19.6
=0.27/19.6+0.075*5/19.6+0.1250.6/19.6+0.0909*6/19.6
=0.013776+0.075*5/19.6+0.1250.6/19.6+0.0909*6/19.6
=0.013776+0.375/19.6+0.1250.6/19.6+0.0909*6/19.6
=0.013776+0.019133+0.1250.6/19.6+0.0909*6/19.6
=0.013776+0.019133+0.006378+0.0909*6/19.6
=0.013776+0.019133+0.006378+0.5454/19.6
=0.013776+0.019133+0.006378+0.027827
=0.032909+0.006378+0.027827
=0.039287+0.027827
=0.067114 答案:4.5%*0.75*8/19.6+7.5%*5/19.6+12.5%0.6/19.6+9.09%*6/19.6=0.067114你的问题在这里没有得到解决?请到 热门难题 里面看看吧!