5.5×9 5.55×9 5.555×9找规律写后三题结果:5.5555×9 5.55555×9 5.555555×9
问题描述:
5.5×9 5.55×9 5.555×9找规律写后三题结果:5.5555×9 5.55555×9 5.555555×9
答
5.5×9=49.5
5.55×9=49.95
5.555×9=49.995
所以
5.5555×9=49.9995
5.55555×9=49.99995
5.555555×9=49.999995