1.写出下列代数式的实际意义110%a+90%b_______2.先化简,再求值2(2a+3b)^2-3(2a-3b)+8(-2a-3b)^2+7(3b-2a),其中a=0.5,b=负3分之23.已知m是绝对值最小的有理数,且-2a^m+2 b^y+1与3a^x b^3是同类项,试求2x^2- 3xy+6y^2-3mx^2+m
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![1.写出下列代数式的实际意义110%a+90%b_______2.先化简,再求值2(2a+3b)^2-3(2a-3b)+8(-2a-3b)^2+7(3b-2a),其中a=0.5,b=负3分之23.已知m是绝对值最小的有理数,且-2a^m+2 b^y+1与3a^x b^3是同类项,试求2x^2- 3xy+6y^2-3mx^2+m](/uploads/image/z/3963832-16-2.jpg?t=1.%E5%86%99%E5%87%BA%E4%B8%8B%E5%88%97%E4%BB%A3%E6%95%B0%E5%BC%8F%E7%9A%84%E5%AE%9E%E9%99%85%E6%84%8F%E4%B9%89110%25a%2B90%25b_______2.%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC2%282a%2B3b%29%5E2-3%282a-3b%29%2B8%28-2a-3b%29%5E2%2B7%283b-2a%29%2C%E5%85%B6%E4%B8%ADa%3D0.5%2Cb%3D%E8%B4%9F3%E5%88%86%E4%B9%8B23.%E5%B7%B2%E7%9F%A5m%E6%98%AF%E7%BB%9D%E5%AF%B9%E5%80%BC%E6%9C%80%E5%B0%8F%E7%9A%84%E6%9C%89%E7%90%86%E6%95%B0%2C%E4%B8%94-2a%5Em%2B2+b%5Ey%2B1%E4%B8%8E3a%5Ex+b%5E3%E6%98%AF%E5%90%8C%E7%B1%BB%E9%A1%B9%2C%E8%AF%95%E6%B1%822x%5E2-+3xy%2B6y%5E2-3mx%5E2%2Bm)
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