问题
解答题
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答案
3×0.4=1.2, | 6x-x=5x, | 5÷0.1=50, | x-0.7x=0.3x, | 1-0.44=0.56, |
a-0.4a=0.6a, | 9÷0.3=30, | 3a×a=3a2, | 1÷0.01=100, | 6a2-4a2=2a2. |
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3×0.4=1.2, | 6x-x=5x, | 5÷0.1=50, | x-0.7x=0.3x, | 1-0.44=0.56, |
a-0.4a=0.6a, | 9÷0.3=30, | 3a×a=3a2, | 1÷0.01=100, | 6a2-4a2=2a2. |