Question

直接寫出下面各題的得數(shù)． 32÷7=	0×66=
2600-2000=	3 7 + 4 7 =
6 9 - 4 9 =	1- 1 4 =
308+197≈	3000+200=

Answer 1

分析：根據(jù)整數(shù)、分?jǐn)?shù)加減乘除法的計(jì)算方法和估算方法進(jìn)行解答即可．

解答：解：

32÷7=4…4	0×66=0
2600-2000=600	3 7 + 4 7 =1
6 9 - 4 9 = 2 9	1- 1 4 = 3 4
308+197≈500	3000+200=3200

點(diǎn)評(píng)：此題考查了整數(shù)、分?jǐn)?shù)加減乘除法的口算能力及估算能力．