Xác định a, b để đồ thị hàm số y=ax+b đi qua các điểm
a) A=( 1;4) và B=(2;1)

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step-by-step explanation:

im not sure

step-by-step explanation:

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !