总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 1/2×22.36×(2-0.27)×((2-0.27)/3+12)+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5) 的值.
题型:数学计算
解:
1/2×22.36×(2-0.27)×((2-0.27)/3+12)+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×((2-0.27)/3+12)+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×(1.73/3+12)+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×12.576667+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×12.576667+1/2×28.38×2.39×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×12.576667+1/2×28.38×2.39×(2.39/3+8.5)+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×12.576667+1/2×28.38×2.39×9.296667+5.33×7×(7/2+1.5)
=1/2×22.36×1.73×12.576667+1/2×28.38×2.39×9.296667+5.33×7×5
=0.5×22.36×1.73×12.576667+1/2×28.38×2.39×9.296667+5.33×7×5
=11.18×1.73×12.576667+1/2×28.38×2.39×9.296667+5.33×7×5
=19.3414×12.576667+1/2×28.38×2.39×9.296667+5.33×7×5
=243.250347+1/2×28.38×2.39×9.296667+5.33×7×5
=243.250347+0.5×28.38×2.39×9.296667+5.33×7×5
=243.250347+14.19×2.39×9.296667+5.33×7×5
=243.250347+33.9141×9.296667+5.33×7×5
=243.250347+315.288094+5.33×7×5
=243.250347+315.288094+37.31×5
=243.250347+315.288094+186.55
=558.538441+186.55
=745.088441 答案:1/2×22.36×(2-0.27)×((2-0.27)/3+12)+1/2×28.38×(3.5-1.11)×((3.5-1.11)/3+8.5)+5.33×7×(7/2+1.5)=745.088441你的问题在这里没有得到解决?请到 热门难题 里面看看吧!