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☆算术计算1题
〖1/1算式〗
作业:求算式 ((5.6+9.9)×(5.6×21.7+33.1×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10) 的值.
题型:数学计算
解:
((5.6+9.9)×(5.6×21.7+33.1×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10)
=(15.5×(5.6×21.7+33.1×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10)
=(15.5×449.21/(5.6+9.9))/((6.3-0.5+15.5)×10)
=(15.5×449.21/15.5)/((6.3-0.5+15.5)×10)
=449.21/((6.3-0.5+15.5)×10)
=449.21/(21.3×10)
=449.21/213
=2.108967 答案:((5.6+9.9)×(5.6×21.7+33.1×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10)=2.108967你的问题在这里没有得到解决?请到 热门难题 里面看看吧!