竖式计算（带*的验算）528+372 471﹣287 486+318 900﹣105 *722+578 *905﹣396．
直接写出得数．﹣=×=÷=×= 1﹣35%=×÷×=
看谁算得快!×= 6÷= 122= 8×3.14=÷= 75×4×2.5%=
直接写出得数．×8=÷2=÷=×=﹣= 6.8÷10%=×= 1÷=÷60%=×15= 4.5+=×=
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%×=
﹣
=
×
=
÷
=
×
= 1﹣35%=
×
=
×
= 6÷
= 122=
÷
= 75×4×2.5%=
×8=
÷2=
÷
=
×
=
﹣
= 6.8÷10%=
×
= 1÷
=
÷60%=
=
×
=
×
﹦ 9÷
﹦
÷
﹦ 1×
÷1×
﹦
﹢
﹦
×2﹦ 27×
﹦ 0÷
﹦
÷1
÷
×
×9﹦
÷6= 15÷
=
×
=
÷
= 42×
=
﹣60%=
=
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