New rule
Order changes the answer
When a sum mixes operations like + and ×, the order you do them in CHANGES the answer. Mathematicians agreed on one order so everyone gets the same result.
When +, −, ×, ÷ all show up — there's a strict order to follow.
New rule
When a sum mixes operations like + and ×, the order you do them in CHANGES the answer. Mathematicians agreed on one order so everyone gets the same result.