Skip to content / Đến nội dung
ThichHocToan.com

TIMO 2018 Grade 5 Heat Set 4 Question 13

TIMO · TIMO 2018 Grade 5 Heat Set 4

Question 13

Define a⊗b=b×b−2×a×b+a×a. Find (13⊗14)⊗15.

Question illustration