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What's the easy way to multiply 86 by 99
86x99
=86x(100-1)
=86x100-86
=8600-86
=8514
A simple method of multiplying 187 by 99
No, I'm just looking for the person who just answered~
a2430564831,
187×99
＝187×（100－1）
＝187×100－187×1
＝18700－187
＝18513
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