用竖式计算．434÷62 164÷41 258÷43 328÷82 416÷52 399÷57．
直接写出得数×﹦ 9÷﹦÷﹦ 1×÷1×﹦﹢﹦×2﹦ 27×﹦ 0÷﹦÷1÷﹦××9﹦
直接写出得数．÷6= 15÷=×=÷= 42×=﹣60%= 10﹣99%= 40%×=
直接写出得数． 24×= 1÷=×12=×18÷3=÷=（﹣）×=×÷×=
直接写得数．============
直接写得数．×=×12=×=÷=÷= 9×=÷═÷12=
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