1元=100分=10分x10分=0.1元x0.1元=0.01元=1分
错了2次:
100分=10分x10分;
0.1元x0.1元=0.01元(数字没有错,单位错)。
这样写更清楚:
元=1;
分= cent = 1/100 = 0.01 (定义如此)
1x1 = 100x0.01 =/= (10x0.01) x (10x0.01) = (0.1x1) x (0.1x1) = 0.01x1=1x0.01
1元=100分=10分x10分=0.1元x0.1元=0.01元=1分
错了2次:
100分=10分x10分;
0.1元x0.1元=0.01元(数字没有错,单位错)。
这样写更清楚:
元=1;
分= cent = 1/100 = 0.01 (定义如此)
1x1 = 100x0.01 =/= (10x0.01) x (10x0.01) = (0.1x1) x (0.1x1) = 0.01x1=1x0.01
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