5445 16+6077 96-830+58 2945+3-20
|
|
|
|
原有 |
46个 |
( )根 |
15个 |
借出 |
6个 |
30根 |
( )个 |
还剩 |
( )个 |
4根 |
8个 |
①14﹣7;②16﹣9;③18﹣9
27+16= 52-26= 66-29= 6+35=
55-49= 21+4= 50-27= 46+18=
12+29= 42-35= 51-22= 75-57=
25+8= 72-33= 93-7= 83-25 =