解方程第一题4x-34.34÷1.7=3.8第二题4x-1又5分之3x=36 第三题【0.4+x】*5=12第四题8x+7*2.3=32.9
人气:285 ℃ 时间:2020-05-13 03:45:03
解答
解方程第一题4x-34.34÷1.7=3.8;4x-20.2=3.8;4x=3.8+20.2;4x=24;x=6;第二题4x-1又5分之3x=364x-(1+0.6)x=36;2.4x=36;x=15;第三题【0.4+x】*5=12;0.4+x=2.4;x=2.4-0.4;x=2;第四题8x+7*2.3=32.98x+16.1=32.9;8x=16.8;...
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