Question

用简便方法计算：61+4*610+59*61

算 数学题谢谢
七点半以前完成

Answer 1

61+40*61+59*61
=61*(1+40+59)
=61*100
=6100
我是学生,他算错了,你不信可以不用简便方法算,然后结果是6100.

Answer 2

61+4*610+59*61
=61+40*61+59*61
=61+61*(40+59)
=61+61*99
=61*100
=6100

Answer 3

61+4*610+59*61=1*61+40*61+59*61=(1+40+59)*61=100*61=6100

Answer 4

61+4*610+59*61
=61*(1+40+59)
=61*100
=6100

Answer 5

61+4*610+59*61
=61*(1+10+59)
=61*70
=4270