37+25+15= 17-9-2= 72-24+16=
34+16+27= 3×8+24= 26+38-35=
27-( ) =10 ( )-14=25 ( )+16=40
⑶羊圈里有15只白羊和7只黑羊,跑了6只,还剩几许只羊?
⑷学校买来90本新书,借给同砚53本,还剩多少本?
⑹小明家有32只鸡,第一次卖了9只,第二次卖了8只,还剩下几许只?
( ) ×4 =32 ( )× 3 = 24 5×( ) =35
( ) ×9 =36 12+( ) =42 24+( ) =50
5×6+30= 3×6+35= 5×5-13= 7×7-49=
18+19-30= 36+8+49= 4×7+22= 32+58+10=
2×3+45= 24-15-5= 4×4+4= 76-9-47=
55 > ( )×7 8 × ( ) < 42 45 > ( )×7
53 > 8 ×( ) 6 × ( ) < 31 ( ) × 4 < 37
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