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× = 0÷3.567= 12.8-4.82= 9287+1028=
32.8÷0.5= 900-0.9= + = 56÷ =
365+199= 40÷90= 0.8÷10%= 5.98+0.2= 2.5×400=
- = ÷ = 1÷ = + = × ÷ × =
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