3/20÷0.2×2/3 4/9÷8/3÷4/9 5/21÷10/7×3/4 6/17÷12/17÷7/9 都要简便

3/20÷0.2×2/3 4/9÷8/3÷4/9 5/21÷10/7×3/4 6/17÷12/17÷7/9 都要简便计算，谢谢大家

3/20÷0.2×2/3

=3/20*5*2/3
=1/2
4/9÷8/3÷4/9

=4/9÷4/9÷8/3
=1*3/8
=3/8
5/21÷10/7×3/4
=5/21*7/10*3/4
=1/2*1/4
=1/8
6/17÷12/17÷7/9

=6/17*17/12*9/7
=1/2*9/7
=9/14

温馨提示：内容为网友见解，仅供参考

当前网址：https://11.t2y.org/zz/f87v2vq2sqv2vq8v27q.html