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c. 0,37/0,33
= 0,37-3=4
= 0,34
= 0,0081
d. (2/5)9/(2/5)5
= (2/5)9-5=4
= (2/5)4
= 16/625
e. (37 x 32)/33
= 37+2-2=6
= 36
= 729
f. 55/(52 x 53)
= 55-2+3=1
= 51
= 5
g. (27 x 67)/47
= 27 x 27 x 37 / 47
= (2.2)7 x 37/47
= 47-7 x 37
= 40 x 37
= 1 x 37
= 37
h. (67 x 33)/27
(2.3)7 x 33/27
= 27 x 37 x 33/27
= 27-7 x 37+3
= 20 x 310
= 1 x 310
= 310
i. (106 x 42)/(253 x 83)
= (2.5)6 x (22)2 / (52)3 x (23)3
= 26 x 56 x 24 / 56 x 29
= 26+4-9 x 56-6
= 21 x 50
= 2 x 1
= 2
j. (215 : 92)/(7/2)2
= 215/92 x (2/7)2
= (3.7)5/(32)2 x 22/72
= 35 x 75 x 22/ 34 x 72
= 35-4 x 75-2 x 22
= 31 x 73 x 2
= 3 x 22 x 73
Soal nomor 2
a. (-y)5/(-y)2
= (-y)5-2=3
= y3
