841 X846+124X54-241 X876+184X415-451X241= ( )

2023-05-26

A.474735
B.473733
C.484734
D.474531

参考答案:B

根据尾数法可得,1X6+4X4-1 X6+4X5-1X1尾数=6+6-6+0-1-0-7尾数=3, B选项正确,A. C、D选项错误。故本题应选B.