 +  = |  ﹣  = |
| 1.2× = |  ÷3= |
0÷（  +  ）= |  ×  = |
0×  = |  ÷1= |
| ÷ = | 1÷  ×9= |
 ÷5=________ | 3÷  =________ | 3×  +0=________ | （1﹣  ）×14=________ |
 ×  =________ |  ×3.6=________ |  ÷  =________ | 5﹣  ×  =________ |
 ________ | 0.9+99×0.9=________ | 2.5×  ×0.4=________ | (  )×6=________ |
1-1  =________ | 1.02-0.43-0.57=________ | 20-19.02=________ | 2÷ - ÷2=________ |
________
________
________
________
________ 
=
÷ ﹣ = 
米长的铁丝平均分成2段，每段长A． | B． | C． | D． |
=（ ）| A．9 | B．10 | C．11 | D．12 |
是
，这个数是（ ）．A． | B． | C． |
是
，这个数是（ ）．A． | B． | C． |
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