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数学
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(x-66)÷3×4=x(1-20%)怎么做
那个李良中安阳,你的回答我看不懂/是代表分数线还是除号
人气:369 ℃ 时间:2020-04-27 03:37:03
解答
"/"代表分数线
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(x-66)÷3×4=x(1-20%)
1.20%x+3分之2=26 2.x÷15分之2=30×50% 3.55%x-33%x=66 4.4x+120%=5
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(x-2)(x+3)=66
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