问题
填空题
找规律填空:0.1,0.2,0.3,0.5,0.8,______,2.1.
答案
因为0.1+0.2=0.3,
0.2+0.3=0.5,
0.3+0.5=0.8,
所以0.5+0.8=1.3,
验证:0.8+1.3=2.1,
故答案为:1.3.
找规律填空:0.1,0.2,0.3,0.5,0.8,______,2.1.
因为0.1+0.2=0.3,
0.2+0.3=0.5,
0.3+0.5=0.8,
所以0.5+0.8=1.3,
验证:0.8+1.3=2.1,
故答案为:1.3.