1又4/5×5/9÷1又3/7的答案等于0.75。首先将分数转换成有理数,1又4/5=9/5,5/9=5/9,1又3/7=10/7,然后将数字进行乘除运算,即9/5×5/9÷10/7=45/35÷10/7=45/70=0.75。
1又4/5×5/9÷1又3/7
=9/5×5/9÷10/7
=1×7/10
=7/10
1又4/5×5/9÷1又3/7
=9/5x5/9÷10/7
=1÷10/7
=7/10
1又4/5×5/9÷1又3/7的答案等于多少?
=9/5X5/9/10/7
=1/10/7
=1X7/10=7/10。
原式=9/5×5/9÷10/7
=1×7/10
=7/10