5×67+66×67-67简便计算

2024-11-25 13:40:18
推荐回答(3个)
回答1:

5×67+66×67-67
=5×67+66×67-67x1 运用乘法分配律
=(5+66-1)x67
=70x67
=4690
祝学习进步。

回答2:

5×67+66×67-67
=(5+66-1)×67
=70×67
=4690

回答3:

67*(5+66-1)