Đáp án:
Giải thích các bước giải:
4
a)
C1: A={5,6}
C2: {x∈N║4<x<7}
b)
C1: A={1,2,3,4,5,6,7,8,9,10,11}
C2: {x∈N*║x<12}
c)
C1: M={11,12,13,14,15,16,17,18,19}
C2: {x∈N║11<x<12}
d)
C1: M={10,11,12,13,14,15}
C2: {x∈N║9<x<15}
e)
C1: A={1,2,3,4,5,6,7,8,9,10,11,12,...,29}
C2: {x∈N║x<30}
f)
C1: B={1,2,3,4,5,6,7,8,9,10,11,....}
C2: {x∈N║x>12}
5
a)
A={7,5,4,2}
b)
B={2,9,6,3,5}
c)
C={0,6}
6
A={16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96}
7
a) A={11,12,13,14,15}
b) B={10,11,12,13,14,15,16,17,18,19,20}
c) D={11,12,13,14,15,...,99,100}
d) E={2983,2984,2985,2986}
e) G={1,2,3,4}
f) H={1,2,3,4,5,6,7,8,9,.....,98,99,100}
