学校买来42包练习本，每包20本．每班分84本，能够分给几人班？
直接写出得数．2.2+3.5= 0.4×30= += ×=0×0.99= 67×99+67= 30×= 24÷=
直接写出得数．0.36+1.7= ×= 0.32×0.05= 1.2÷=6.8﹣1.08= 50×30%= ﹣﹣= 0.18÷0.12=
直接写出得数．0.77+0.33= 7÷1.4= 9+= 5656÷56=32÷53×0= 31÷1000= ÷7= 1﹣+=
直接写出得数11﹣1.1= 1.26÷0.3= 12.5×= 13÷39=1.5×0.2= 87.5%×= 2﹣= =
直接写结果．14.6﹣6= += 0.21++0.79= ×= 5.47﹣1.8﹣3.2=﹣0.25= 0.5÷= （+）×63= 0.1：= 1.25××8=
+
= 
×
=
×
= 0.32×0.05= 1.2÷
=
﹣
﹣
= 0.18÷0.12=
= 5656÷56=
÷7= 1﹣
+
=
= 13÷39=
= 2﹣
= 
=
+
= 0.21+
+0.79= 
×
= 5.47﹣1.8﹣3.2=
= （
+
）×63= 0.1：
= 1.25×
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