f. (55)/(52 x 53)
Jawaban: 55/5(2+3) = 55/55 = 1
g. 27 x 67 / 47
Jawaban: 27 x (2 x 3)7 / 2(2x7) = 27 x 27 x 37 / 214 = 2(7 + 7) x 37 / 214 = 2(14-14) x 37 = 20 x 37 = 1 x 37 = 37 = 2.187
h. 67 x 33 / 27
Jawaban: 27 x 37 x 33 / 27 = 3(7+3) = 310
i. 106 x 42 / (253 x 83)
Jawaban: 26 x 56 x 2(2x2) / (5(2x3) x 2(3x3)) = 210 x 56 / (56 x 29) = 2(10-9) x 5(6-6) = 21 x 50 = 2 x 1 = 2
j. 215/92 : (7/2)2
Jawaban: 75 x 35 / 3(2x2) : (72 / 22) = 75 x 3(5-4) : 72 / 22 = 7(5-2) x 31 x 22 = 73 x 3 x 4 = 12 x 73