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 35.83-53.25×2.04+1/2×12.93×(2.04)^2+1/2×20.41×1.45×(2.04-2/3×1.45)+1/2×12.93×(2.04-1.45)^2 的值.
    题型：数学计算
    解:
          35.83-53.25×2.04+1/2×12.93×(2.04)^2+1/2×20.41×1.45×(2.04-2/3×1.45)+1/2×12.93×(2.04-1.45)^2
        =35.83-53.25×2.04+1/2×12.93×2.04^2+1/2×20.41×1.45×(2.04-2/3×1.45)+1/2×12.93×(2.04-1.45)^2
        =35.83-53.25×2.04+1/2×12.93×2.04^2+1/2×20.41×1.45×1.073333+1/2×12.93×(2.04-1.45)^2
        =35.83-53.25×2.04+1/2×12.93×2.04^2+1/2×20.41×1.45×1.073333+1/2×12.93×0.59^2
        =35.83-53.25×2.04+1/2×12.93×4.1616+1/2×20.41×1.45×1.073333+1/2×12.93×0.59^2
        =35.83-53.25×2.04+1/2×12.93×4.1616+1/2×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+1/2×12.93×4.1616+1/2×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+0.5×12.93×4.1616+1/2×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+6.465×4.1616+1/2×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+26.904744+1/2×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+26.904744+0.5×20.41×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+26.904744+10.205×1.45×1.073333+1/2×12.93×0.3481
        =35.83-108.63+26.904744+14.79725×1.073333+1/2×12.93×0.3481
        =35.83-108.63+26.904744+15.882377+1/2×12.93×0.3481
        =35.83-108.63+26.904744+15.882377+0.5×12.93×0.3481
        =35.83-108.63+26.904744+15.882377+6.465×0.3481
        =35.83-108.63+26.904744+15.882377+2.250466
        =-72.8+26.904744+15.882377+2.250466
        =-45.895256+15.882377+2.250466
        =-30.012879+2.250466
        =-27.762413
    答案:35.83-53.25×2.04+1/2×12.93×(2.04)^2+1/2×20.41×1.45×(2.04-2/3×1.45)+1/2×12.93×(2.04-1.45)^2=-27.762413

你的问题在这里没有得到解决？请到 热门难题 里面看看吧！