算一算，填一填
直接写得数．×8=÷== 6÷=÷= 21×= 1﹣÷=×=
直接写出得数． 1÷100÷10= 1﹣=+1÷3= 6×= 60%÷12=×=÷= 500×3%=
直接写出得数：×8=÷2=÷=×=×= 1÷=÷60%=×15=﹣= 6.8÷10%= 4.5+=×=
直接写出得数．×30= 2÷=÷=﹣=÷=××=+12.5%=÷=
直接写得数． 25×=÷6=×16=÷= 1÷=×=
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×8=
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