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×(9.6-1.38-2.1+0.84)+105.784×(9.6-1.38-2.1-3+1.22)+241.001×(9.6-1.38-2.1-3-2.5+1.16)+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7) 的值.
题型:数学计算
解:
49.211×(9.6-1.38-2.1+0.84)+105.784×(9.6-1.38-2.1-3+1.22)+241.001×(9.6-1.38-2.1-3-2.5+1.16)+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7)
=49.211×6.96+105.784×(9.6-1.38-2.1-3+1.22)+241.001×(9.6-1.38-2.1-3-2.5+1.16)+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7)
=49.211×6.96+105.784×4.34+241.001×(9.6-1.38-2.1-3-2.5+1.16)+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7)
=49.211×6.96+105.784×4.34+241.001×1.78+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7)
=49.211×6.96+105.784×4.34+241.001×1.78+43.84×0.24-207.57×6.22-232.63×(9.6-1.38-7)
=49.211×6.96+105.784×4.34+241.001×1.78+43.84×0.24-207.57×6.22-232.63×1.22
=342.50856+105.784×4.34+241.001×1.78+43.84×0.24-207.57×6.22-232.63×1.22
=342.50856+459.10256+241.001×1.78+43.84×0.24-207.57×6.22-232.63×1.22
=342.50856+459.10256+428.98178+43.84×0.24-207.57×6.22-232.63×1.22
=342.50856+459.10256+428.98178+10.5216-207.57×6.22-232.63×1.22
=342.50856+459.10256+428.98178+10.5216-1291.0854-232.63×1.22
=342.50856+459.10256+428.98178+10.5216-1291.0854-283.8086
=801.61112+428.98178+10.5216-1291.0854-283.8086
=1230.5929+10.5216-1291.0854-283.8086
=1241.1145-1291.0854-283.8086
=-49.9709-283.8086
=-333.7795 答案:49.211×(9.6-1.38-2.1+0.84)+105.784×(9.6-1.38-2.1-3+1.22)+241.001×(9.6-1.38-2.1-3-2.5+1.16)+43.84×0.24-207.57×(9.6-1.38-2)-232.63×(9.6-1.38-7)=-333.7795你的问题在这里没有得到解决?请到 热门难题 里面看看吧!