口算 200+4000= 4500+2500= 324×2= 3000﹣1800= 78×0=27÷9= 700×6= 56÷7= 400×3= 214×3=59÷9= 132×3= 200×8= 36÷5= 760+0=
直接写得数 1﹣= 12﹣12×0.1=﹣= 0.3+= 1.66÷2=+= 7﹣= 23+52=﹣0.75= 50×25×1.2=
直接写出得数．======== 1.2×0.5= 0.16÷0.8= 0.32= 53=
计算．﹣﹣=﹣﹣=+﹣=
直接写出得数． ①= ②= ③= ④= ⑤= ⑥= ⑦= ⑧0.52= ⑨= ⑩1+2÷3=
直接写出结果﹣= 270÷18= 2÷= 10×10%= 5﹣0.25+0.75= ：= 7×÷7×= 042﹣0.32= 341﹣103= 1÷×=
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= 12﹣12×0.1=
﹣
= 0.3+
= 1.66÷2=
+
= 7﹣
= 23+52=
﹣0.75= 50×25×1.2=
=
=
=
=
=
=
=
=
﹣
﹣
=
﹣
﹣
=
+
﹣
=
= ②
= ③
= ④
= ⑤
=
= ⑦
= ⑧0.52= ⑨
= ⑩1+2÷3=
﹣
= 270÷18= 2÷
= 10×10%= 5﹣0.25+0.75=
=
7×
×
=