tolong di bantu jawab no 1, no 3,dan no 4 ya

no 1 b maafvy klo slah

no 1 . B &D
2.
[tex] \frac{20}{24} \div 2 = \frac{10}{12} \div 2 = \frac{5}{6} [/tex]
no 3.
[tex] \frac{12}{4} \div 4 = 3 [/tex]
no 4.
[tex] \frac{3}{3} = 1 [/tex]
maaf klo salah ya