Number reasoning 123 129 141 147?

159 the latter is equal to the sum of the former and the former

RELATED INFORMATIONS

1. 25 times 3.2 times 0.25, 90 times (72 minus 14.4) and 3.69 times 77 minus 8 times 21 minus 1.375
2. 2.9 + 0.46 + 7.1 + 0.54 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 30 △ 2.5 + 1.6 × 2.50.4 × (25 + 2.5) 4.97 × [2.46 ÷ (5.58-5.28)]
3. What is 30 divided by 15 out of 28?
4. How to write in English
5. Simple calculation of (12 + 1 / 4) △ 25
6. 9.999+9.99+9.9+0.1=?
7. Ten out of fifteen is one third of 16 / 24 = () 8 = () 8 / 8 = 48 △ () = () / ()
8. How to get 3000 by simple method?
9. Simple calculation method 2.5×0.7²-2.5×0.3²
10. It is calculated by a simple method 1.6.27×3.6+37.8×0.36 2.369×0.99+3.69 3.（0.64+0.32）÷0.64 4.13.5×2.5-0.35×25 5.0.76÷0.4-0.38 6.12.8+0.792÷0.9
11. Number reasoning: 1 3 11 123 () A. 15131 b.146 c.16768 d.96543 please choose the right answer according to the law of numbers and explain the order of it
12. Number reasoning 123 456 789 () Alternative a 10112 B 1122 C 1012 D 678 Please say the next process, thank you
13. Turn the following fractions into fractions of constant size with molecule 1: 2 / 4 = 17 / 51 = 12 / 120 = 250 / 1000 = 6 / 18 = 51 / 204= 105 out of 420= 400 out of 2000=
14. Calculation: 120-119 + 118-117 + 116-115 + +4-3+2-1=______ ．
15. 110 112 114 117 119 120 121 122 12315
16. What are the numbers 110, 112, 114, 117, 119, 120, 121, 122, 12315? Please Anshun to write down which department these telephone numbers belong to!
17. What's the sum of six 1 / 3's plus 1 and 3 / 5 divided by 8 / 9?
18. What is the quotient of the difference between 9.8 and 5.6 divided by 15 of 8?
19. What's the quotient of multiplying 2.5 by a number 0.5 smaller than the smallest two digits and dividing the product by 1.9?
20. 2.5 times the quotient of 3.9 divided by 1.3. What is the sum of 2.9 and 5.1?