直接写得数．
9.09+1.1= 10÷0.1= 3﹣1.45= 5﹣1.4﹣1.6= 1÷0.25×4=
1÷（
﹣
）= 
×
×= 4﹣﹣= 
﹣÷4= 5÷
﹣÷5=
直接写得数．
9.09+1.1= 10÷0.1= 3﹣1.45= 5﹣1.4﹣1.6= 1÷0.25×4=
1÷（﹣）= ××= 4﹣﹣= ﹣÷4= 5÷﹣÷5=
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