x十24=36 x一37=56 x+7.9=18.4 x-35x十24=36 x一37=56 x+7.9=18.4 x-35.2=47.9 2.5x=7.5 x÷7=35 x一63.8=8 23x=138

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x十24=36x一37=56x+7.9=18.4x-35x十24=36x一37=56x+7.9=18.4x-35.2=47.92.5x=7.5x÷7=35x一63.8=823x=138x十24=36x

x十24=36 x一37=56 x+7.9=18.4 x-35x十24=36 x一37=56 x+7.9=18.4 x-35.2=47.9 2.5x=7.5 x÷7=35 x一63.8=8 23x=138
x十24=36 x一37=56 x+7.9=18.4 x-35
x十24=36 x一37=56 x+7.9=18.4 x-35.2=47.9 2.5x=7.5 x÷7=35 x一63.8=8 23x=138

x十24=36 x一37=56 x+7.9=18.4 x-35x十24=36 x一37=56 x+7.9=18.4 x-35.2=47.9 2.5x=7.5 x÷7=35 x一63.8=8 23x=138