假如你班共有40名学生，至少有多少人的生日在同一个月？
直接写出得数．×6= 0×= ×10= ×=×4= ×= += 0.25×=×= a×= ﹣= +=××3= ××=
根据算式涂一涂，根据涂得内容写出答案×=×=
直接写得数．+= +0.625= ×= ÷7= 0.28+4.52=9.1÷1.3= 9×÷9×= 3.2÷4= 4÷0.01×0.1= 18÷9=
直接写出得数．+= = 8.7﹣4.8= 1.25×2.4=9.3：0.03= 38÷4= = 1÷=
直接写出得数8÷0.2= 2﹣1= ×1= 1÷7+=+= 1.02﹣0.43= ÷25%×= ×2÷×2=
×6= 0×
= 
×10= 
×
=
×4= 
+
= 0.25×
=
×
= a×
﹣
= 
+
×
×3= 
×
×
=
×
=
×
+
= 
+0.625= 
×
= 
÷7= 0.28+4.52=
÷9×
÷9=
+
= 
= 8.7﹣4.8= 1.25×2.4=
= 1÷
=
= 
×1
= 1÷7+
+
= 1.02﹣0.43= 
÷25%×
= 
×2÷
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