学校组织同学去博物馆参观．三年级去了62人，四年级去的人数是三年级的2倍．两个年级一共去了多少人？
直接写得数×6= 0÷= 1÷10%= 4﹣﹣=×5+×9=÷=÷6= 45×80%= 5÷5÷=×2÷×2=
计算﹣×÷÷+﹣÷90%﹣12.5% 48%× 25%÷．
直接写得数﹣= 8×=÷= 3.5=×=×6=
口算我最棒!÷3=﹣= 8÷=×8= 30×50%= 0.25×29×4= 6÷120%= 1﹣97%=
+= 8÷=×= 3÷= 4×==÷===
×6= 0÷
= 1÷10%= 4﹣
﹣
=
×5+
×9=
÷
=
÷6= 45×80%=
=
×2÷
﹣
×
÷
÷
+
﹣
÷90%
﹣12.5% 48%×
．
﹣
= 8×
=
÷
= 3.5
=
×
=
×6=
÷3=
﹣
= 8÷
×8= 30×50%=
+
= 8÷
=
×
=
= 4×
=
=
÷
=
=
=
粤公网安备 44130202000953号