问题
填空题
找规律,填一填:0.01a、0.04b、0.09a、______、0.25a、______、______.
答案
42=16,
16÷100×b=0.16b,
62÷100×b=0.36b,
72÷100×a=0.49a;
故答案为:0.16b,0.36b,0.49a.
找规律,填一填:0.01a、0.04b、0.09a、______、0.25a、______、______.
42=16,
16÷100×b=0.16b,
62÷100×b=0.36b,
72÷100×a=0.49a;
故答案为:0.16b,0.36b,0.49a.