6 11÷7 1 7×5 11和这样类型的算式还有哪些？

6/11÷7+1/7x5/11
=6/11x1/7+1/7x5/11
=(6/11+5/11)x1/7
=1x1/7
=1/7
还有23/25x49+2/25x49
=(23/25+2/25)ⅹ49
=1x49
=49