无
*注意事项:
÷7 14× ÷14
×4= 18÷ = × = 7- =
0× = 5.6× = 2÷40%= 1÷ ×1÷ =
① × ×32×14
②18×( + - )
③6.28× +6.28÷
④ - × ÷
⑤ ÷(2- - )
⑥ ×75%+0.6×
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