67×67-67+34×67简便计算

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67×67-67+34×67简便计算67×67-67+34×67简便计算67×67-67+34×67简便计算67×67-67x1+34×67=67x(67-1+34)=67x100=670067×67

67×67-67+34×67简便计算
67×67-67+34×67简便计算

67×67-67+34×67简便计算
67×67-67x1+34×67
=67x(67-1+34)
=67x100
=6700

67×67-67+34×67
=67×(67-1+34)
=67×100
=6700

=67*(67-1+34)
=67*100
=6700

67×67-67+34×67
=67×66+34×67
=67×(66+34)
=67×100
=6700