直接寫出得數(shù).

35×2=   120×12=  76×40=  

          2.9+15=

8.5+2.3=  1-0.2=  12.5+2.8=  9.5-4=

答案:
解析:

70 1440 3040 1   0 17.9 10.8 0.8 15.3 5.5


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