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All 4 numbers have to be used for every resolution, however they might seem in any order.
Permitted:

• the 4 primary mathematical operations,
• sq. root image (most twice per resolution, and the two is implied)
• combining preliminary numbers by concatenation (eg. 5 and seven could make 57)
• exponentiation
• decimal factors, together with omitting any preliminary zero
• repeating decimal bar
• parentheses
• destructive quantity signal.

Not permitted: every little thing else, together with factorials, logarithms, infinite sums, rounding (ground, ceiling), numerical bases apart from 10, concatenation of calculation outcomes.

I’ve created all 100 however had to make use of single factorials for seven of them. The lacking ones for which non-factorial options are wanted are 67 (now discovered), 87, 89 (now discovered), 91, 92, 94, and 99.

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