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(6/5a³x^4-0.9ax³)÷3/5ax³ (7x²y³-8x³y²z)÷8x²y²
人气:226 ℃ 时间:2020-06-16 12:24:56
解答
(6/5a³x^4-0.9ax³)÷3/5ax³= 6/5a³x^4 ÷ 3/5ax³ - 0.9ax³ ÷ 3/5ax³= 2 a^2 x^2 - 1.5(7x²y³-8x³y²z)÷8x²y²= 7x²y³ ÷ 8x...
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