Question

4782算24点怎么算式？

Answer 1

这四个数算24点，只用加减乘除四则运算就只有3种算法，其它算法都可通过交换率变换得到
(7×2-8)×4=24
7×8÷2-4=24
7×4-8÷2=24

Answer 2

7×8÷2-4=24
4×7-8÷2=24

Answer 3

(2 × 7- 8) × 4 =24
4 × 7 - 8 ÷ 2 =24
(7 × 2 - 8) × 4 = 24
7 ÷ 2 × 8 - 4 =24
7 ÷ (2 ÷ 8)- 4=24
7 ÷ (2 ÷ 8) - 4=24
7 × 4 - 8 ÷ 2=24
(7 × 4) - 8 ÷ 2=24
7 × 4 -(8 ÷ 2)2=24
(7 × 4) - (8 ÷ 2)=24
7 × 8 ÷ 2 - 4=24
(7 × 8) ÷ 2 - 4=24
(7 × 8 ÷ 2) - 4 =24
(7 × 8) ÷ 2 - 4 =24
7 × (8 ÷ 2) - 4=24
8 ÷ 2 × 7 - 4=24
(8 ÷ 2) × 7 - 4=24
8 ÷ (2 ÷ 7)- 4=24
8 × 7 ÷ 2 - 4=24
(8 × 7 ÷ 2) -4=24
8 × (7 ÷ 2) - 4=24

Answer 4

1: 4*(2*7-8)=24
2: 7*8/2-4=24
3: 7/2*8-4=24
4: 8/2*7-4=24

Answer 5

4×7－8÷2＝28－4＝24