6класс
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l N640 l
l 1)3/8×(-)+5 4)5/12÷1/4-(-1/3) l
l 2)5/9÷(-1/3)-7 5)(1/2)×(-4)-5 l
l 3)2/5×(-3)-4/5 6)4/9÷(-2/3)+1 l
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