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① +x=
② x=
③x- - =
④ -x=
⑤ x+x=
⑥ +x+ =
① ÷x=
③ x=
④x+ =
⑤1.3x+x=9.2
⑥ x÷ =
① x=
②72x=
③ +x=
④14÷x=
⑤ x- x=44
⑥ x+x=
进入组卷