Question

Cho A=123456.123457-123455.123458

       B=987654.987655-987653.987656

So sánh A và B.

Answer 1

A=123456.123457-123455.123458=(123455+1).123457-123455(123457+1)=123455.123457+123457-123455.123457-123455=2

B=987654.987655-987653.987656=(987653+1).987655-987653.(987655+1)=987653.987655+987655-987653.987655-987653=2

=> A=B

Answer 2

bằng nhau nhé

Answer 3

Bằng nhau nha bn

 tích mk mk tích lai cho nha bạn