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☆算术计算1题
〖1/1算式〗
作业:求算式 0.5*π*1.5*(70*14.1+80*4.47)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*4.47)/(15.6+4.47)*(12.6+4.47)) 的值.
题型:数学计算
解:
0.5*π*1.5*(70*14.1+80*4.47)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*4.47)/(15.6+4.47)*(12.6+4.47))
=0.5*π*1.5*1344.6+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*4.47)/(15.6+4.47)*(12.6+4.47))
=0.5*π*1.5*1344.6+0.25*π*1.5*1.5*0.49*(430+5*158.571/(15.6+4.47)*(12.6+4.47))
=0.5*π*1.5*1344.6+0.25*π*1.5*1.5*0.49*(430+5*158.571/20.07*(12.6+4.47))
=0.5*π*1.5*1344.6+0.25*π*1.5*1.5*0.49*(430+5*158.571/20.07*17.07)
=0.5*π*1.5*1344.6+0.25*π*1.5*1.5*0.49*1104.341542
=1.570796*1.5*1344.6+0.25*π*1.5*1.5*0.49*1104.341542
=2.356194*1344.6+0.25*π*1.5*1.5*0.49*1104.341542
=3168.138452+0.25*π*1.5*1.5*0.49*1104.341542
=3168.138452+0.785398*1.5*1.5*0.49*1104.341542
=3168.138452+1.178097*1.5*0.49*1104.341542
=3168.138452+1.767145*0.49*1104.341542
=3168.138452+0.865901*1104.341542
=3168.138452+956.250446
=4124.388898 答案:0.5*π*1.5*(70*14.1+80*4.47)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*4.47)/(15.6+4.47)*(12.6+4.47))=4124.388898你的问题在这里没有得到解决?请到 热门难题 里面看看吧!