怎样简便就怎样计算 11/10-1/4-1/3 1/8×58+1/8×42+1/8 2/ 100
怎样简便就怎样计算11/10-1/4-1/31/8×58+1/8×42+1/82/5×1/5+40/100×4/55/9÷5+5÷5/9...
怎样简便就怎样计算
11/10-1/4-1/3 1/8×58+1/8×42+1/8
2/5×1/5+40/100×4/5 5/9÷5+5÷5/9 展开
11/10-1/4-1/3 1/8×58+1/8×42+1/8
2/5×1/5+40/100×4/5 5/9÷5+5÷5/9 展开
1个回答
展开全部
11/10-1/4-1/3
=66/60-15/60-20/60
=51/60-20/60
=31/60
1/8×58+1/8×42+1/8
=1/8×(58+42+1)
=1/8×(96+5)
=1/8×96+1/8×5
=12+5/8
=12又5/8
2/5×1/5+40/100×4/5
=2/5×1/5+2/5×4/5
=2/5×(1/5+4/5)
=2/5×1
=2/5
5/9÷5+5÷5/9
=5/9×1/5+5×9/5
=1/9+9
=9又1/9
=66/60-15/60-20/60
=51/60-20/60
=31/60
1/8×58+1/8×42+1/8
=1/8×(58+42+1)
=1/8×(96+5)
=1/8×96+1/8×5
=12+5/8
=12又5/8
2/5×1/5+40/100×4/5
=2/5×1/5+2/5×4/5
=2/5×(1/5+4/5)
=2/5×1
=2/5
5/9÷5+5÷5/9
=5/9×1/5+5×9/5
=1/9+9
=9又1/9
本回答由网友推荐
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
