12*34+26*12简便计算
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12*34+26*12简便计算
12*34+26*12简便计算
12*34+26*12简便计算
12*34+26*12
=12*(34+26)
=12*60
=720
=12*(34+26)
=12*60
=720
12*34+26*12
=12*(34*26)
=12*60
=720
12*34+26*12简便计算
12*34+26*12简便计算
12*34+26*12简便计算
12*34+26*12
=12*(34+26)
=12*60
=720
=12*(34+26)
=12*60
=720
12*34+26*12
=12*(34*26)
=12*60
=720