plz solve the question no 6 , 7 , 8
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6. 144 81
144-1=143 81-1=80
143-3=140 80-3=77
140-5=135 77-5=72
135-7=128 72-7=65
128-9=119 65-9=56
119-11=108 56-11=45
108-13=95 45-13=32
95-15=80 32-15=17
80-17=63 17-17=0
63-19=44
44-21=23
23-23=0
Answer=12 Answer=9
I have just solved 6th one. Any other time 7th one
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