问题
解答题
火眼金睛辨对错. (1)0.2×5表示5个0.2相加.______ (2)0.03+0.03+0.03+0.03=4×0.03.______ (3)0.1+0.1+0.1+0.1+0.1表示5个
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答案
(1)0.2×5=0.2+0.2+0.2+0.2+0.2,
(2)(2)0.03+0.03+0.03+0.03=4×0.03,
(3)0.1+0.1+0.1+0.1+0.1=
×5,1 10
故答案为:√,√,√.