题文
直接写得数．
÷0.1= 10﹣2×
= 3.54+198= 25%×15= 
×5÷×5=
0.5÷0.01= 0.26×
= 100÷0.01= 102×71≈ 3÷
﹣÷3=
直接写得数．÷0.1= 10﹣2×= 3.54+198= 25%×15= ×5÷×5=
0.5÷0.01= 0.26×= 100÷0.01= 102×71≈ 3÷﹣÷3=
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