千眼看世界
千眼看世界
61+4×610+59×61用简便方法计算为：
61+4×610+59×61
=1×61+59×61+4×610
=(1+59)×61+4×610
=60×61+4×610
=60×61+4×10×61
=60×61+40×61
=(60+40)×61
=100×61
=6100