超级难的数学题【难难难】My J8 is 8cm long when it is exciting,definitely,exciting!I want to make it to 9cm,How?Help~

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超级难的数学题【难难难】My J8 is 8cm long when it is exciting,definitely,exciting!I want to make it to 9cm,How?Help~
超级难的数学题【难难难】
My J8 is 8cm long when it is exciting,definitely,exciting!I want to make it to 9cm,How?Help~

超级难的数学题【难难难】My J8 is 8cm long when it is exciting,definitely,exciting!I want to make it to 9cm,How?Help~
准备物品:刀(锋利的)、水管(塑胶的)、缝纫针、线(塑料的,不是绵线)、纸巾或创可贴、直尺……
操作步骤:
切割(JJ,水管[要增长1cm,水管要切1.2cm,考虑两头各有0.1cm的接头嘛)
缝纫(用缝纫针和线将其缝起来)
如果过程中出水或出血了,用前血纸巾或创可贴
测量(用直尺测量,其长度已长长1cm)
如果你缝纫技术好,说不定长了1.1cm呢