How to increase the amplitude between each random number

for example, there are 30 random numbers between 1 and 100, and there is a big difference between the 30 numbers

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Php
Mar.18,2021

share an implementation idea:, rand (1) rand (5) rand (5 10) rand (10 15) rand (15 15 20) rand (30 50)..
rand (90100)

the random generation of 30 numbers is written in this way, and the amplitude is increased step by step. How much difference between each other, generally can control the amplitude, the need for a relatively large range, we can continue to increase the range

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