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 1-0.35×√(1258.7/466470.05)+0.35×√(1258.7/466470.05)×(42.1/(-45.3)) 的值.
题型:数学计算
解:
1-0.35×√(1258.7/466470.05)+0.35×√(1258.7/466470.05)×(42.1/(-45.3))
=1-0.35×√0.002698+0.35×√(1258.7/466470.05)×(42.1/(-45.3))
=1-0.35×√0.002698+0.35×√0.002698×(42.1/(-45.3))
=1-0.35×√0.002698+0.35×√0.002698×(42.1/(-45.3))
=1-0.35×√0.002698+0.35×√0.002698×(-0.92936)
=1-0.35×0.051942+0.35×√0.002698×-0.92936
=1-0.35×0.051942+0.35×0.051942×-0.92936
=1-0.01818+0.35×0.051942×(-0.92936)
=1-0.01818+0.01818×(-0.92936)
=1-0.01818+(-0.016896)
=0.98182+(-0.016896)
=0.964924 答案:1-0.35×√(1258.7/466470.05)+0.35×√(1258.7/466470.05)×(42.1/(-45.3))=0.964924你的问题在这里没有得到解决?请到 热门难题 里面看看吧!