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Dizzy digits. You can play around with your calculator to work it out. Use digits: 0,1,2,3,4,5,6,7,8,9 and operations: +,-,x, ÷ and = to make 1 Use ALL digits, every digit once. Can you give at least 5 answers?. Example Answers. 23456789x0+1=1 234567x0+9-8 =1 234569x0+8-7 =1
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Dizzy digits You can play around with your calculator to work it out. Use digits: 0,1,2,3,4,5,6,7,8,9 and operations: +,-,x,÷ and = to make 1 Use ALL digits, every digit once. Can you give at least 5 answers?
Example Answers • 23456789x0+1=1 • 234567x0+9-8 =1 • 234569x0+8-7 =1 • 234589x0+7-6 =1 • 234789x0+6-5 =1
Dizzy digits You can play around with your calculator to work it out. You can use the +,- and = keys Use five 2s to make 28 Use eight 8s to make 1000
Answer 22+2+2+2=28888+88+8+8+8=1000
Father to son There were two fathers. One day first of them transfered from his account to his son’s account £150, and second father transfered to his son’s account £100. At the end of that day both sons’ accounts together shown only £150 more than before that day. There were no other bank operations on that day. How it’s possible?
Dizzy digits You can play around with your calculator to work it out. Is it possible to use four 5s and operations: +,-,x,÷ to make all natural numbers from 0 to 10?
Dizzy digits You can play around with your calculator to work it out. Is it possible to use four 5s and operations: +,-,x,÷ to make all natural numbers from 0 to 10? 0= 5= 1= 6= 2= 7= 3= 8= 4= 9= 10=
answers 0=55-551=5-5+5:52=5:5+5:53=(5+5+5):54=(5*5-5):55=(5-5)*5+56=55:5-57=(5+5):5+58=not possible9=5+5-5:510=5+5+5-5
10% of 100 20% of 60 30% of 90 40% of 30 50% of 50 60% of 60 70% of 30 80% of 80 90% of 10 ₤100-20% ₤40-10% ₤90-30% ₤15-30% ₤200-25% ₤12-25% Calculate: