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 ((500×7^3)/12+500×7×(162.52)^2)+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2) 的值.
题型:数学计算
解:
((500×7^3)/12+500×7×(162.52)^2)+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=(171500/12+500×7×(162.52)^2)+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=(171500/12+500×7×162.52^2)+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×(596288000/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×(596288000/12+7×440×80.98^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×(49049/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×(49049/12+143×7×135.2^2)+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×18301406.456667+((166×7^3)/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×18301406.456667+(56938/12+166×7×(135.2)^2)
=92458918.066667+4×69888568.698667+2×18301406.456667+(56938/12+166×7×135.2^2)
=92458918.066667+4×69888568.698667+2×18301406.456667+21244989.313333
=92458918.066667+279554274.794668+2×18301406.456667+21244989.313333
=92458918.066667+279554274.794668+36602812.913334+21244989.313333
=372013192.861335+36602812.913334+21244989.313333
=408616005.774669+21244989.313333
=429860995.088002 答案:((500×7^3)/12+500×7×(162.52)^2)+4×((7×440^3)/12+7×440×(80.98)^2)+2×((143×7^3)/12+143×7×(135.2)^2)+((166×7^3)/12+166×7×(135.2)^2)=429860995.088002你的问题在这里没有得到解决?请到 热门难题 里面看看吧!