求8/13除以7加1/7乘6/13的简便计算
问题描述:
求8/13除以7加1/7乘6/13的简便计算
答
8/13除以7可以换成
8/13*1/7
提公因式1/7
得1/7(8/13+6/13)
1/7*14/13=2/13
答
8/13÷7+1/7x6/13
=8/13x1/7+1/7x6/13
=1/13x8/7+1/13x6/7
=1/13x(8/7+6/7)
=2/13
8/13÷7+1/7x6/13
=8/13x1/7+1/7x6/13
=1/7x(8/13+6/13)
=1/7x14/13
=2/13
答
8/13除以7加1/7乘6/13
=8/13乘1/7+1/7乘6/13
=(8/13+6/13)*1/7
=14/13*1/7
=2/13