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submitted 1 month ago* (last edited 1 month ago) by Arkouda@lemmy.ca to c/showerthoughts@lemmy.world

EDIT: Thanks to a helpful comment I see why I was wrong.

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[-] Arkouda@lemmy.ca 0 points 1 month ago

10-1+1=10 only if you don't the addition first 1 + 1 = 2 - 10 = 8, which was my mistake, which I already stated.

Now jog on "math teacher".

[-] SmartmanApps@programming.dev 1 points 1 month ago* (last edited 1 month ago)

10-1+1=10 only if you don’t the addition first 1 + 1 = 2 - 10 = 8

Nope, yet again you just did 10-(1+1), which is wrong for 10+1-1. It gives 10 in any order. 10+1-1=11-1=10 <== did addition first, got 10. Accountants would have a nightmare if order mattered. "Did we receive this payment first, or this invoice? The order matters! ARGH!"

which was my mistake, which I already stated.

No, your mistake was adding brackets, 10-(1+1) ISN'T how to do addition first. 10+1-1 is. Ask an accountant! 😂 As you discovered 10-(1+1)=10-1-1, which isn't 10+1-1, nor 10-1+1. 10-1-1=8, which is what you did - 10-1-1=10-(1+1) - 10-1+1=10, 10+1-1=10.

I see you still didn't try it on a calculator yet then

this post was submitted on 06 Jun 2025
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