The Main Challenge
Using all four numbers 2, 4, 7 and 8 once each, with + – × ÷ available, show how you can make the following seven target numbers:
8 18 28 38 48 58 68
The 7puzzle Challenge
The playing board of Buy Adipex In Mexico is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 4th & 6th rows contain the following fourteen numbers:
3 5 10 12 18 20 32 33 35 44 49 54 56 60
From the list, which three different numbers have a sum of 77?
The Factors Challenge
Which FOUR numbers in the range 2 to 20 inclusive are factors of 266?
The Mathematically Possible Challenge
Using 3, 7 and 9 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?
7 14 21 28 35 42 49 56 63 70
#7TimesTable
The Target Challenge
Can you arrive at 266 by inserting 1, 2, 3, 4 and 7 into the gaps below?
- (◯²+◯)×(◯+◯)²–◯² = 266
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