99999×77778+33333×66666,
=99999×77778+33333×(3×22222),
=99999×77778+(33333×3)×22222,
=99999×77778+99999×22222,
=99999×(77778+22222),
=99999×100000,
=9999900000;
故答案为:9999900000.
99999×77778+33333×66666=_.
99999×77778+33333×66666=______.
数学人气:588 ℃时间:2019-12-08 03:34:50
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