一、连一连。

答案
二、在$◯$里填“>”“<”或“=”。
$33+17◯ 50$ $31+9◯ 63-18$ $28◯ 38-17+9$
$62◯ 88-29$ $35+15◯ 25+25$ $32-18+16◯ 30$
$27+14◯ 31$ $44-18◯ 12+13$ $47+23-25◯ 55$
$5× 3◯ 20$ $16◯ 7× 3-6$ $8× 5-8◯ 32$
$7× 6◯ 42$ $6× 3+9◯ 30$ $2× 6-9◯ 2$
$9÷ 3◯ 3$ $5× 9+8◯ 55$ $9× 5-8◯ 35$
$33+17◯ 50$ $31+9◯ 63-18$ $28◯ 38-17+9$
$62◯ 88-29$ $35+15◯ 25+25$ $32-18+16◯ 30$
$27+14◯ 31$ $44-18◯ 12+13$ $47+23-25◯ 55$
$5× 3◯ 20$ $16◯ 7× 3-6$ $8× 5-8◯ 32$
$7× 6◯ 42$ $6× 3+9◯ 30$ $2× 6-9◯ 2$
$9÷ 3◯ 3$ $5× 9+8◯ 55$ $9× 5-8◯ 35$
答案
二、= < <
> = =
> > <
< > =
= < >
= < >
> = =
> > <
< > =
= < >
= < >
三、在()里填合适的数。
$36+(\ )=50$ $24=(\ )-17$ $32+9+(\ )=62$
$62=(\ )-16$ $32-(\ )=15$ $36+14-(\ )=15$
$28+(\ )=31$ $70-(\ )=23$ $45-16-(\ )=16$
$5× (\ )=35$ $(\ )× 4+9=33$ $(\ )× 5-9=36$
$40÷ (\ )=8$ $(\ )× 3+9=30$ $(\ )× 9-8=28$
$(\ )× 6=42$ $(\ )× 8+4=76$ $(\ )× 7-4=45$
$36+(\ )=50$ $24=(\ )-17$ $32+9+(\ )=62$
$62=(\ )-16$ $32-(\ )=15$ $36+14-(\ )=15$
$28+(\ )=31$ $70-(\ )=23$ $45-16-(\ )=16$
$5× (\ )=35$ $(\ )× 4+9=33$ $(\ )× 5-9=36$
$40÷ (\ )=8$ $(\ )× 3+9=30$ $(\ )× 9-8=28$
$(\ )× 6=42$ $(\ )× 8+4=76$ $(\ )× 7-4=45$
答案
三、14 41 21
78 17 35
3 47 13
7 6 9
5 7 4
7 9 7
78 17 35
3 47 13
7 6 9
5 7 4
7 9 7
登录