用竖式计算，带★号的要验算45×12 84×36 ★857÷7．
直接写出得数．①×1.6= ②0.8÷0.01= ③3.6÷40= ④÷=⑤+6.25= ⑥0.74×100= ⑦0.375÷= ⑧40×101=
直接写出得数2008﹣123= 8.2+1.18= 2.5×4= +×9=9.8÷0.1= ×= 3××= ÷×=
直接写得数﹣= ×= += 1.03+0.07=1÷0.4= ×25%= 0.05×100= 0.6：0.36=
直接写出得数：2.2+3.5= 0.4×30= 8÷1.6=8.2十1.8= 4.43+5.57= 8.4÷0.6=3.5﹣1.5= 1.25×5×8= ==
直接写得数62﹣35= 3+0.97= 5﹣0.6= +=（﹣）×0= 2÷2%= 24×= ×3÷3×=1÷0.125= 706﹣48﹣52=
×1.6= ②0.8÷0.01= ③3.6÷40= ④
÷
=
+6.25= ⑥0.74×100= ⑦0.375÷
= ⑧40×101=
+
×9=
×
= 3×
×
= 
÷
×
=
﹣
= 
×
= 
= 1.03+0.07=
×25%= 0.05×100= 0.6：0.36=
=
===
+
=
﹣
）×0= 2÷2%= 24×
×3÷3×
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