期中测试答案一、1.【答案】3.805 三点八零五2.【答案】13.6 2.83.【答案】2680 3.6 5.364.【答案】5.【答案】606.【答案】5.327.【答案】8.【答案】4.569.【答案】5 10010.【答案】21.36 2.048二、1.【答案】2.【答案】3.【答案】4.【答案】5.【答案】6.【答案】7.【答案】8.【答案】三、1.【答案】C2.【答案】B3.【答案】B4.【答案】A5.【答案】A6.【答案】B四、1.【答案】1154 32300 99(验算略)2.【答案】210 3200 32 1700 6766 4000五、1.【答案】( )()( )2.【答案】( )( )()3.【答案】()( )( )六、1.【答案】2.【答案】七、1.【答案】2.【答案】3.【答案】4.【答案】5.【答案】甲:280 乙:286.【答案】(1)(2)不够小学数学 四年级下册 2 / 2