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 49.211×(9.5-2.1+0.84)+105.784×(9.5-2.1-3+1.22)+241.001×(9.5-2.74)-207.57×(9.5-2)-415.82×(9.5-9) 的值.
题型:数学计算
解:
49.211×(9.5-2.1+0.84)+105.784×(9.5-2.1-3+1.22)+241.001×(9.5-2.74)-207.57×(9.5-2)-415.82×(9.5-9)
=49.211×8.24+105.784×(9.5-2.1-3+1.22)+241.001×(9.5-2.74)-207.57×(9.5-2)-415.82×(9.5-9)
=49.211×8.24+105.784×5.62+241.001×(9.5-2.74)-207.57×(9.5-2)-415.82×(9.5-9)
=49.211×8.24+105.784×5.62+241.001×6.76-207.57×(9.5-2)-415.82×(9.5-9)
=49.211×8.24+105.784×5.62+241.001×6.76-207.57×7.5-415.82×(9.5-9)
=49.211×8.24+105.784×5.62+241.001×6.76-207.57×7.5-415.82×0.5
=405.49864+105.784×5.62+241.001×6.76-207.57×7.5-415.82×0.5
=405.49864+594.50608+241.001×6.76-207.57×7.5-415.82×0.5
=405.49864+594.50608+1629.16676-207.57×7.5-415.82×0.5
=405.49864+594.50608+1629.16676-1556.775-415.82×0.5
=405.49864+594.50608+1629.16676-1556.775-207.91
=1000.00472+1629.16676-1556.775-207.91
=2629.17148-1556.775-207.91
=1072.39648-207.91
=864.48648 答案:49.211×(9.5-2.1+0.84)+105.784×(9.5-2.1-3+1.22)+241.001×(9.5-2.74)-207.57×(9.5-2)-415.82×(9.5-9)=864.48648你的问题在这里没有得到解决?请到 热门难题 里面看看吧!