12.34+23.41+34.12+41.32

来源:百度知道 编辑:UC知道 时间:2024/05/26 09:37:08
简算!!!!!快啊!下午6.50就要!想要分的快来!!!!!

12.34+23.41+34.12+41.32
=12+23+34+41+(0.34+0.41+0.12+0.32)
=110+1.19
=111.19
我用的是分解法,望采纳!
O(∩_∩)O谢谢
=(10+20+30+40)+(1+2+3+4)+(0.1+0.3+0.3+0.4)+(0.01+0.02+0.02+0.04)

=100+10+1.1+0.09
=111.19

原式=(10+20+30+40)+(1+2+3+4)+(0.1+0.3+0.3+0.4)+
(0.01+0.02+0.02+0.04)
=100+10+1.1+0.09
=111.19

111.19

111.19

12.34+23.41+34.12+41.32
=(12+23+34+41)+(0.34+0.41+0.12+0.32)
=110+1.19
=111.19

12.34+23.41+34.12+41.32=111.19