×1= 52﹣42= 0.75﹣0.5= ×= ÷= 125×0.08=0.5+0.02= ÷= ÷= 0.15×6= 12÷0.3= 0÷=
40×30= 90×70= 20×50= 60×80= 43×20= 22×30=
234×33=
434×51=
直接写出得数．
×1= 52﹣42= 0.75﹣0.5= 
= 
÷
= 125×0.08=
÷
= 0.15×6= 12÷0.3= 0÷
=
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