Amazing calculator trick

Example: Step 1: Let’s enter 12361236 in the calculator Step 2: 12361236 is divisible by 137 Step 3: Now divide the result by the four-digit number 90228 / 1236 The result is 73! The trick: Entering a four-digit number twice means multiplying the four-digit number by 10001. Example: 1236 x 10001 = 1236 x (10000 + 1) = 1236 x […]
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