问题
填空题
8÷______=
9.2×7.1的积大约是______. |
答案
(1)8÷10=
=4:5;4 5
(2)9.2≈9,7.1≈7,
因为9×7=63,所以9.2×7.1≈63.
故答案为:10,4,5,63.
8÷______=
9.2×7.1的积大约是______. |
(1)8÷10=
=4:5;4 5
(2)9.2≈9,7.1≈7,
因为9×7=63,所以9.2×7.1≈63.
故答案为:10,4,5,63.