61+4乘以610+59乘以61的简便运算怎么写
问题描述:
61+4乘以610+59乘以61的简便运算怎么写
答
61+4*610+59*61=1*61+41*61+59*61=61*(1+40+59)=61+6100=6100
答
61+4*610+59*61
=61+40*61+59*61
=(1+40+59)*61
=100*61
=6100
答
61+4×610+59×61
=61×1+40×61+59×61
=61×(1+40+59)
=61×100
=6100