Question

No 4 yg a,b,c,d cepet ya kak mau dikumpul nanti

Answer 1

4. A. 5 1/2 + 2 2/3

11/2 + 8/3

11×3/2×3 + 8×2/3×2

33/6 + 16/6

49/6

B. 3 3/5 + 4 5/6

18/5 + 29/6

18×6/5×6 + 29×5/6×5

108/30 + 145/30

253/30


C. 7 1/2 - 4 3/5

15/2 - 23/5

15×5/2×5 - 23×2/5×2

75/10 - 46/10

29/10


D. 8 9/10 - 4 3/5

89/10 - 23/5

89×5/10×5 - 23×10/5×10

445/50 - 230/50

215÷5/50÷5

43/10