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 0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1))) 的值.
题型:数学计算
解:
0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/8.9^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/8.9^0.28)-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/(8.9)^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/8.9^(1.38-1)))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/8.9^0.38))
=0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*0.564256)
=0.97×3.37/7.9*3.959499
=3.2689/7.9*3.959499
=0.413785*3.959499
=1.638381 答案:0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))=1.638381你的问题在这里没有得到解决?请到 热门难题 里面看看吧!