999乘854等于几?
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999乘854等于几?
999乘854等于几?
999乘854等于几?
简便方法:
999*854
=(1000-1)*854
=1000*854-854*1
=854000-854
=853146
853146
999×854=853146
853146
(1000-1)*854
1000*854-854
=853146
999乘854等于几?
999乘854等于几?
999乘854等于几?
简便方法:
999*854
=(1000-1)*854
=1000*854-854*1
=854000-854
=853146
853146
999×854=853146
853146
(1000-1)*854
1000*854-854
=853146