Question

9/14×71×2/9

Answer 1

解：9/14×71×2/9等于（ 71/7 ）
∵已知需求出9/14×71×2/9等于多少
∴9/14 × 71 × 2/9
= 9/14 × 2/9 × 71
= 9/（7×2）× 2/9 × 71
= 1/7 × 71
= 71/7
答：9/14×71×2/9等于71/7

Answer 2

9/14×71×2/9 利用乘法交换律与结合律，先算9/14 x 2/9 然后再利用这两个数的积 乘以71，最后得到算术式的结果，具体过程如下
9/14 x 71 x 2/9
=(9/14 x 2/9) x 71
=2/14 x 71
=1/7 x 71
=71/7

Answer 3

9/14×71×2/9
=9/14×2/9×71
=1/7×71
=71/7
=10又1/7

Answer 4

9／14×71×2／9
＝9／14×2／9×71
＝1／7×71
＝71／7