数学计算题(一元一次方程10道题,“x”是未知数,“/”是分数线!)①5-6(x/3-5/2)=2x②2(x+3)-5(1-x)=3(x-1)③15(1/5x+1)=1-2(x-3)④8(x-2)-3(3x-5)=11⑤2x+1/5-x-1/3=x+1⑥7-x/4-x-1/3=x+1⑦2x-1/4=1-3-y/8⑧5x-1/4
<p>问题:数学计算题(一元一次方程10道题,“x”是未知数,“/”是分数线!)①5-6(x/3-5/2)=2x②2(x+3)-5(1-x)=3(x-1)③15(1/5x+1)=1-2(x-3)④8(x-2)-3(3x-5)=11⑤2x+1/5-x-1/3=x+1⑥7-x/4-x-1/3=x+1⑦2x-1/4=1-3-y/8⑧5x-1/4<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">宋维亮的回答:<div class="content-b">网友采纳 5-2x+15=2x4x=20x=5 2x+6-5+5x=3x-34x=-4x=-1 3x+15=1-2x+65x=-8x=-8/5 8x-16-9x+15=11x=-5 3(2x+1)-5(x-1)=15(x+1)6x+3-5x+5=15x+1514x=-7x=-1/2 3(7-x)-4(x-1)=12x+1221-3x-4x+4=12x+1219x=13x=13/19 2(2x-1)=8-(3-x)4x-2=8-3+x3x=7x=7/3 3(5x-1)=6(3x+1)-4(2-x)15x-3=18x+6-8+4x7x=-1x=-1/7 18x+3(x-1)=18-2(2x-1)18x+3x-3=18-4x+225x=23x=23/25 3(x+2)=2(2x-3)-123x+6=4x-6-12x=24
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