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*9.27*7.58^2+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*2.4^2 的值.
题型:数学计算
解:
1/2*9.27*7.58^2+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*2.4^2
=1/2*9.27*57.456400000000002+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*2.4^2
=1/2*9.27*57.456400000000002+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*5.76
=0.5*9.27*57.456400000000002+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*5.76
=4.635*57.456400000000002+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*5.76
=266.310414+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*5.76
=266.310414+70.2666*2.4-30.96-65.33*2.4-1/2*29.31*5.76
=266.310414+168.63984-30.96-65.33*2.4-1/2*29.31*5.76
=266.310414+168.63984-30.96-156.792-1/2*29.31*5.76
=266.310414+168.63984-30.96-156.792-0.5*29.31*5.76
=266.310414+168.63984-30.96-156.792-14.655*5.76
=266.310414+168.63984-30.96-156.792-84.4128
=434.950254-30.96-156.792-84.4128
=403.990254-156.792-84.4128
=247.198254-84.4128
=162.785454 答案:1/2*9.27*7.58^2+9.27*7.58*2.4-30.96-65.33*2.4-1/2*29.31*2.4^2=162.785454你的问题在这里没有得到解决?请到 热门难题 里面看看吧!