Question

2又1/6+3又2/7-1又2/3等于多少？

Answer 1

2又1/6+3又2/7-1又2/3等于:
13/6 + 22/7 + 5/3
= 91/42 + 132/42 + 70/42
= 293/42
= 6又42分之41.

Answer 2

2又1/6+3又2/7-1又2/3
先通分后加减
＝2又7／42十3又12／42一1又28／42
＝（2＋3一1）十（7／42＋12／42一28／42）
＝4＋19／42一28／42
＝3又19／42＋1一28／42
＝3又19／42十14／42
＝3又33／42

Answer 3

2又1/6+3又2/7-1又2/3
=1又7/6-1又4/6+3又2/7
=3/6+3又2/7
=1/2+3又2/7
=7/14+3又4/14
=3又11/14

Answer 4

1又1/7÷16%÷2又2/3÷4又2/7=8/7÷4/25÷8/3÷30/7=8/7x25/4x3/8x7/30=（8/7x7/30）x（25/4x3/8）=4/15x75/32=5/8

Answer 5

1又1/7÷16%÷2又2/3÷4又2/7=8/7÷4/25÷8/3÷30/7=8/7x25/4x3/8x7/30=（8/7x7/30）x（25/4x3/8）=4/15x75/32=5/8