6+2/4*3/3-7+6+5/3-1*1
6+1/2*1-7+6+5/3-1
6+1/2-7+6+5/3-1
=37/6 or 61/6
Any of them. To get 50 to 30 you could... subtract 20 add -20 divide by 5/3 multiply by 3/5
16
Exactly 11 times
48 times three, divide by four...
You can't. For example if your equation is: 2x+7=12 then you will subtract 7 by itself, then subtract 7 from 12. You then get 2x=5. You will then divide 5 by 2 and you will get x=2.5 as your final answer.
That has no integer solution. Three times an integer is another integer; if you subtract to integers, you get an integer again, not a fraction.
Any of them. To get 50 to 30 you could... subtract 20 add -20 divide by 5/3 multiply by 3/5
16
Operations, or more precisely, binary mathematical operations
Exactly 11 times
8
Here is how I arrived at the answer: start with the number seven add two, multiply by four, divide by three, subtract five. The answer is seven. Ceck it: seven plus five is 12, 12 times three is 36, 36 divided by four is nine Nine minus two is seven.
2 < 2x + 4 < 18 Subtract 4: -2 < 2x < 14 Divide by 2: -1 < x < 7
48 times three, divide by four...
42.1589
7 + 3b ≥ 12 Subtract 7 from both sides: 3b ≥ 5 Divide both sides by 3: b ≥ 5/3 or 1.66...
45