Question

25x64十75x12运用简便计算

Answer 1

25x64十75x12
解：简便运算
=25x64+25x3x12
=25x64+25x(3x12)
=25x64+25x36 运用乘法分配率
=25x(64+36)
=25x100
=2500
祝学习进步。