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b) (-1/2)^3 * (-1/2)^4 * 2^7 =(-1/2)^7 * 2^7 = (-1/2 * 2)^7 = (-1)^7= -1
c) 0,1^8 * 0,2^8 : 0,02^6= (0,1 *0,2)^8 :0,02^6= 0,02^8 : 0,02^6= 0,02^2= 0,0004
d) (-0,2)^12 * 5^12 * (-1)^-13= (-0,2 * 5)^12 *1= 1 *1 =1
e) ( 1 1/2)^3 : (2 1/4)^3= (3/2 :9/4)^3= (3/2 * 4/9)^3= (2/3)^3= 8/27
f) 0,5^6 * (-0,5)^7 : 0,05^13= (0,5 * 0,5)^6 * 0,5 :0,05^13= 0,25^6 *0,5 :0,05^13= 0,25^5 :0,05^13= (0,25 :0,05)^5 :0,05^8=5^5 : 0,05^8= (5:0.05)^5 : 0,05^3= 100^3 : 0,05^3= (100 : 0,05)^3= 2000^3= 8000000000
Proszę bardzo :D