10-10.5÷[5.2×14.6-(9.2×5.2+5.4×3.7-4.6×1.5)]=A.9.3B.9C.9.93D.3

发布时间：2020-08-04 19:33:53

10-10.5÷[5.2×14.6-(9.2×5.2+5.4×3.7-4.6×1.5)]=A.9.3B.9C.9.93D.3

网友回答

A解析原式=10-10.5÷[5.2×14.6-9.2×5.2-5.4×3.7+4.6×1.5]
=10-10.5÷[5.2×(14.6-9.2)-5.4×3.7+4.6×1.5]
=10-10.5÷[5.2×5.4-5.4×3.7+4.6×1.5]
=10-10.5÷[5.4×1.5+4.6×1.5]
=10-10.5÷15
=10-0.7
=9.3
以上问题属网友观点，不代表本站立场，仅供参考！