👤

Answer :

47. 116-(-79)=195

48. 25×100/20=125

49. 14

50. r= 176/2π=28

51. 12x²+4xy-4y²

52 9×25=225

Step-by-step explanation:

1.166-79

2. 20÷100×25

3.2-1÷7

4.176÷2

View image Jacobinajames