Recursive equation calculation

(51+63)÷2
=104÷2
=89… six

RELATED INFORMATIONS

1. If we use the recursive equation to calculate, we need to write the simple calculation process. 42 △ [14 - (50-39)] 7.25 × 1.8 + 27.5 × 0.18905 × 99 + 905
2. The following problems should be calculated simply: (1) 19.2 △ 2.4 × 3.2 (2) 9.6 × 10.1 (3) 14.3 △ 1.1-0.8 (4) 3.2 × 2.4 + 32 × 0.76
3. 25 column recursive equation calculation, and simple calculation of this problem
4. How to calculate recursion equation easily? 0.98 * 302 =? 25 * 4.4 * 0.7 =? 5.8 * 5.8 + 5.8 * 0.5 + 5.8 =? (0.25 * 12.5) * (4 * 0.8) =? 1.5*105=?32*1.25*2.5=?2.3+1.7*5.5=?
5. 2 and 6 / 5 × 1.8 + 7 and 6 / 1 / 9 / 5
6. Recursive equation calculation: (1 / 3-1 / 5) × 15 (1 / 8 + 3 / 4) × 17 75 × 1 / 4 + 25 × 25%
7. 47.5 plus 4.8 minus 6.05, 15.73 plus 4.5 minus 7.73 plus 5.5!
8. 18 * (4 / 9 + 7 / 12) if you can calculate simply, you can calculate simply (recursive equation calculation)
9. Take off formula calculation: - 2 / 9 - + 2 / 9 -2 / 9 - + 2 / 9 = = = =
10. If the equation can be easily calculated, it can be simply calculated [5 / 8 - (3 / 8 + 1 / 6)] × 8 / 9
11. If you can calculate the recursive equation, you should calculate it simply 5/7+75%+4/7x2/3 650÷13/5-150x5/3 24x (quarter and one sixth x 75% - 2 / 3) 2/5x62.5%+20%÷4/15 [5/6＋2/33(17/5-7/4)]÷13/3 (75%+2/5)÷(1-30%) 1/7÷3/14-1/3x2/5+2/9 76÷4+23x1/4+1/4
12. Recursive equation calculation 7.54 + 12 out of 7 + 2.46 + 16 out of 7 (2.4-23 / 20) divided by 0.625 + 4 / 5 (1 / 15 + 3 / 49) * 15-45 divided by 49 2 / 5 * 11 / 15 + 0.4 divided by 15 / 4 Thank you~~~~
13. Use the recursive equation to calculate the simple calculation 8.6÷4-8.6÷2 = = = HELP!
14. 1+1+2+3+4+5+6+7+8+9+10+25-14-1
15. How to calculate (21 + 3) × 125 with simple method
16. Calculation: 1 + 3 + 6 + 10 + 15 + 21 + 28 + 36 = () which method is more convenient
17. Simple calculation of 21 / 20 * 7 / 3 + 7 / 20 * 21 / 11
18. Simple calculation of 11 / 9-1 / 2 / 4 / 5-3 / 8
19. 1 / 3-1 / 9 + 1 / 6 29 / 16-10 / 21-11 / 21 3 / 4 - (4 / 5-3) Calculate the following questions, and those that can be simplified should be simplified 1/3-1/9+1/6 29/16-10/21-11/21 3/4-（4/5-3/4）
20. (M minus 2) XM square minus 3 is equal to 5, find the value of M