5ab & # 178; - 6 [3 / 2A & # 178; B-2 / 3 (4a & # 178; B + 2Ab & # 178;)] where a = 1, B = - 1 | Math enthusiast | Mathematical art

5ab & # 178; - 6 [3 / 2A & # 178; B-2 / 3 (4a & # 178; B + 2Ab & # 178;)] where a = 1, B = - 1

5ab²-6[3/2a²b-2/3（4a²b+2ab²）]=5ab²-9a²b+4（4a²b+2ab²）=5ab²-9a²b+16a²b+8ab²=13ab²+7a²b=13-7=6

RELATED INFORMATIONS

1. Decomposition factor 2A & # 178; - 2Ab, 3AB & # 178; + A & # 178; b
2. 10ab-3 + 6b-5a = (10ab-5a) - 3 () fill in the brackets
3. 2a of 5A ^ 2B + 3b of 10ab ^ 2
4. When a = 2012, finding the algebraic formula (5a & # 178; - 2A & # 178; + 3a-1) can be sloppy. Xiao Ming copied the known condition to a = 2102, and then the answer is still right, What's going on? Can you tell me why?
5. For any non-zero natural number a, B, a ⊗ B = 2 × a + B, if a ⊗ 2A ⊗ 3a ⊗ 4A ⊗ 5A ⊗ 6a ⊗ 7a ⊗ 8A ⊗ 9A = 3039, find a=______ ．
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12. The simplification process of the following integral format (2a & # 178; b-5ab) - 2 (- AB-A & # 178; b) is simplified The reduction process of (2a & # 178; b-5ab) - 2 (- AB-A & # 178; b) 1-3 (x-1 / 2Y & # 178;) + (- x + 1 / 2Y & # 178;) reduction process (- X & # 178; y + 3xy-4) + 3 (X & # 178; y-xy + 2) reduction process -1 / 4 (2k & # 179; + 4K & # 178; - 28) + 1 / 2 (K & # 179; - 2K & # 178; + 4K) reduction process 3x & # 178; - (2x & # 178; + 5x-1) - (3x + 1) where x = 10 is the simplification process (xy-3 / 2y-1 / 2) - (xy-3 / 2x + 1) where x = 10 / 3, y = 8 / 3 It will be handed over to the teacher tomorrow
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