问题
填空题
根据16×5=80直接在括号里填数.
1.6×5=______
1.6×0.5=______
0.16×5=______
0.16×0.5=______.
答案
因为16×5=80,
1.6×5=8,
1.6×0.5=0.8,
0.16×5=0.8
0.16×0.5=0.08.
故答案为:8,0.8,0.8,0.08.
根据16×5=80直接在括号里填数.
1.6×5=______
1.6×0.5=______
0.16×5=______
0.16×0.5=______.
因为16×5=80,
1.6×5=8,
1.6×0.5=0.8,
0.16×5=0.8
0.16×0.5=0.08.
故答案为:8,0.8,0.8,0.08.