直接写得数4800÷8= 50×80= 820÷4=303÷3= 70×30= 43+69=40×60= 32﹣16= 20×50=
直接写得数．÷13=×9=÷=﹣×0=+= 6÷=﹣=×=×= 0÷=+16=÷=
直接写出得数． 50%+6=×= 4÷0.5= 28×25%= 95%+5=+= 6.9÷23= 100×0.4=
直接写出得数====+=== 1÷===
直接写出得数．×16= 10÷= 12÷=×=×=÷3=×=×=
6×=+=×= 3﹣=÷= 1÷=÷=﹣=×14=÷12=
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= 4÷0.5= 28×25%=
+
= 6.9÷23= 100×0.4=
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×16= 10÷
= 12÷
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×14=
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