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

教育百科2022-03-27 15:08:00佚名
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

泰然是什么意思 出自哪里呢