直接写得数130+80= 315﹣125= 198﹣77﹣23= 450÷30= 72×2×0=98+173= 20×91= 70×50= 84÷6= 8×11×125=
直接写得数：+= 1﹣=×=+25%=÷8= 4×25%= 0.36÷36%= 1﹣20%﹣=
直接写得数 3÷=×=÷﹣=÷0.5= 2﹣=（1﹣）÷=
计算．====×26= 12÷=×=÷=
直接写出的数．====%======
只列式不计算﹣= 1.25×8= 2.7×=÷2= 1÷0.8=×= 1﹣÷1﹣=×0.8+×=
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= 1﹣
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×
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÷8= 4×25%= 0.36÷36%= 1﹣20%﹣
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=
×
=
÷
÷0.5= 2﹣
=（1﹣
）÷
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=
=
=
×26= 12÷
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×
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÷
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%=
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﹣
= 1.25×8= 2.7×
=
÷2=
×
= 1﹣
÷1﹣
×