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,买文具,买4块 要多少钱？,0.2元,0.2元,0.2元,0.2元,0.8,0.2,+,0.2+0.2+0.2+0.2=,0.2,0.2,0.8（元）,0.2,0.24=?,0.2元=2角,24=8（角）,8角=0.8元,0.24=0.8（元）,做一件儿童服装用布0.3米，做这样的3套衣服需要布料多少米？,0.33=?,涂一涂，填一填。,0.0110=（）,0.1,涂一涂，填一填。,0.0150=（）,0.5,涂一涂，填一填。,0.01100=（）,1,加油哦！,0.123,0.242,0.43,0.33,0.5,0.1,做一做,6,0.6,24,2.4,1个日记本0.8元，丁丁要买3个这样的日记本，需要多少钱呢？,
