×9= ×0= 0+ = × =
12× = × = × = × =
① + =
② - =
③ × =
④ - =
⑤ × =
⑥ × =
他又举了下面三个例子,发现其中蕴含着规律。
我发现的规律或我的猜想:
8.1÷0.03= +3= ×= ﹣=
×= 134﹣18= ×0÷3= 7.45+8.55=