Mathematics, 16.08.2021 16:40 nathangirnet
Cho a, b,c thỏa mãn a+b-2c=0 và 2ab-bc-ca=0 chứng minh a=b=c
Answers: 1
Mathematics, 21.06.2019 18:00, NeonPlaySword
Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi
Answers: 1
Mathematics, 21.06.2019 19:00, princessjsl22
The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?
Answers: 2
Cho a, b,c thỏa mãn a+b-2c=0 và 2ab-bc-ca=0 chứng minh a=b=c...
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