123456×1+1929×64-1286×96=?怎样简算?

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123456×1+1929×64-1286×96=?怎样简算?

两种
123456×1+1929×64-1286×96
=1929*64-1286*3/2*96*2/3+123456
=1929*64-1929*64+123456
=123456
123456×1+1929×64-1286×96
=64*1929+1929*64-1929*64
=64*1929
=123456

123456×1+1929×64-1286×96
=1929*64-1286*3/2*96*2/3+123456
=1929*64-1929*64+123456
=123456