25×7= 45×4= 5×67= 33÷3=270÷9= 480÷4= 750﹣100×7= 8×10×25=
直接写出得数： ①= ②= ③= ④= ⑤= ⑥= ⑦= ⑧=
直接写得数．+=+=+=﹣=+= 0.4+=﹣=﹣=+=+=
直接写出得数．= 5﹣== 0.5×0.5÷5==﹣== 0.4×25﹣10==﹣= 1+==
直接写出得数：+=﹣= 0.2+1.8= 0.9﹣0.27= 1.9×4×0.5=﹣×=+++= 12.56÷3.14=
直接写出得数． 50×6= 90÷3=25×4= 36÷3= 54÷9= 4×600= 96÷4= 24×5= 102×7= 84÷6= 42×2= 72÷3= 150×0= 80×6= 69÷3= 250×4=====
= ②
= ③
= ④
=
= ⑥
= ⑦
= ⑧
=
+
=
+
+
=
﹣
=
+
=
=
﹣
=
﹣
=
+
=
=
= 5﹣
=
= 0.5×0.5÷5=
=
﹣
=
= 0.4×25﹣10=
=
﹣
=
=
=
+
=
﹣
﹣
=
+
+
+
= 12.56÷3.14=
=
=
=
=
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