89.3×43.38×89.3＋893×1.9
=89.3×43.38×89.3＋89.3×19
=89.3×(43.98×89.3+19)
=89.3×[43.98×(100-10.7)+19]
=89.3×(4398-43.98×10.7+19)
=89.3×[4417-43.98(10+1-0.3)]
=89.3×(4417-439.8-43.98+43.98×0.3)
=89.3×(4417-395.82+13.194)
=89.3×4034.374
=360269.5982
题目错了吧？
内容全部来源于网络收集，如有侵权，请联系网站删除！
QQ：24596024