一、直接写出得数。(每题1分,共32分)
$2 + 4 = $ $10 - 5 = $ $6 - 4 = $ $6 + ( ) = 8$
$7 - 2 = $ $4 + 6 = $ $10 - 1 = $ $9 - ( ) = 9$
$3 + 2 = $ $10 - 2 = $ $9 - 4 = $ $( ) - 6 = 4$
$9 - 1 = $ $8 + 2 = $ $8 + 1 = $ $( ) + 3 = 5$
$5 + 4 = $ $3 + 6 = $ $6 - 2 = $ $2 + ( ) = 9$
$6 - 6 = $ $9 - 2 = $ $3 + 5 = $ $8 - ( ) = 8$
$3 + 3 = $ $5 + 2 = $ $2 + 6 = $ $( ) - 2 = 6$
$5 - 1 = $ $4 - 4 = $ $8 - 4 = $ $( ) + 4 = 8$
$2 + 4 = $ $10 - 5 = $ $6 - 4 = $ $6 + ( ) = 8$
$7 - 2 = $ $4 + 6 = $ $10 - 1 = $ $9 - ( ) = 9$
$3 + 2 = $ $10 - 2 = $ $9 - 4 = $ $( ) - 6 = 4$
$9 - 1 = $ $8 + 2 = $ $8 + 1 = $ $( ) + 3 = 5$
$5 + 4 = $ $3 + 6 = $ $6 - 2 = $ $2 + ( ) = 9$
$6 - 6 = $ $9 - 2 = $ $3 + 5 = $ $8 - ( ) = 8$
$3 + 3 = $ $5 + 2 = $ $2 + 6 = $ $( ) - 2 = 6$
$5 - 1 = $ $4 - 4 = $ $8 - 4 = $ $( ) + 4 = 8$
答案:
6 5 2 2 5 10 9 0 5 8 5 10 8 10 9 2 9 9 4 7 0 7 8 0 6 7 8 8 4 0 4 4
二、在$◯$里填“$>$”“$<$”或“$=$”。(每题1分,共12分)
$2 + 6◯9$ $9 - 1◯9 - 2$ $1 + 8◯9 - 3$
$5◯4 + 2$ $9 - 3◯5 + 1$ $5 + 2◯8 - 1$
$2 + 8◯10$ $3 + 3◯10 - 3$ $7 + 1◯3 + 3$
$6◯5 - 5$ $6 - 1◯4 + 0$ $7 - 0◯3 + 5$
$2 + 6◯9$ $9 - 1◯9 - 2$ $1 + 8◯9 - 3$
$5◯4 + 2$ $9 - 3◯5 + 1$ $5 + 2◯8 - 1$
$2 + 8◯10$ $3 + 3◯10 - 3$ $7 + 1◯3 + 3$
$6◯5 - 5$ $6 - 1◯4 + 0$ $7 - 0◯3 + 5$
答案:
< > > < = = = < > > > <
三、在$◯$里填“$+$”或“$-$”。(每式1分,共12分)
$5◯4 = 9$ $8◯2 = 9◯3$ $4◯2 = 9◯7$
$10◯7 = 3$ $4◯4 = 5◯3$ $5◯3 = 10◯2$
$8◯2 = 10$ $7◯7 = 6◯6$ $1◯5 = 2◯4$
$9◯3 = 6$ $10◯1 = 4◯5$ $3◯3 = 5◯5$
$5◯4 = 9$ $8◯2 = 9◯3$ $4◯2 = 9◯7$
$10◯7 = 3$ $4◯4 = 5◯3$ $5◯3 = 10◯2$
$8◯2 = 10$ $7◯7 = 6◯6$ $1◯5 = 2◯4$
$9◯3 = 6$ $10◯1 = 4◯5$ $3◯3 = 5◯5$
答案:
+ - - - - - + + + - + - - + + - - + - -
查看更多完整答案,请扫码查看