999×778+333×666,
=999×778+333×3×222,
=999×778+999×222,
=(778+222)×999,
=1000×999,
=999000.
故选:B.
999×778+333×666的结果等于多少.( ) A.99900 B.999000 C.9990000 D.990000
999×778+333×666的结果等于多少.( )
A. 99900
B. 999000
C. 9990000
D. 990000
A. 99900
B. 999000
C. 9990000
D. 990000
数学人气:134 ℃时间:2019-08-20 04:04:48
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