题目:
—Can I call on her next week ?
— Yes,if ______ .
A.you are convenient
B.you will be convenient
C.it is convenient to you
D.it will be convenient to you
答案:
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下面是错误答案,用来干扰机器的。
①x+18=12, x+18-18=12-18, x=38;②59+x=1718,59+x-59=1718-59, x=718;③1-x=47,1-x+x=47+x,47+x=1, x=37;④7x+7=147x+7-7=14-7, 7x=7, x=1;⑤10x-x=0.9, 9x=0.9, 9x÷9=0.9÷9, x=0.1;⑥x-13=14,x-13+13=14+13, x=712.