用竖式计算．46÷4= 157÷25= 306÷75= 511÷14=
直接写出得数+= = 12×（﹣）= =1÷7+= 6.4×101﹣6= 12÷3= ×××…×=
直接写出得数×= 1﹣= ÷= （7+）×8=0.1÷10%= ×6= a﹣a= 12×（﹣+）=
计算．+= ﹣= ×= ÷=1.25××8= 1.2×= 20÷= （﹣）×30=﹣÷2= 99×÷99×=
直接写出复数．×= 1÷= ÷8= 7×= ×12=×= ﹣= += ÷= 14÷=
直接写出得数．0.56+0.25= ﹣（﹣）= 0÷= （+）×6=+= ×= 8÷= 1+8%=
+
= 
= 12×（
）= 
=
= 6.4×101﹣6
= 12
×
×
×…×
=
×
= 1﹣
= 
÷
= （7+
）×8=
×6= a﹣
a= 12×（
﹣
+
）=
+
= 
﹣
= 
×
= 
÷
=
×8= 1.2×
= 20÷
= （
﹣
）×30=
﹣
÷99×
×
= 1÷
= 
÷8= 7×
= 
×12=
×
= 
﹣
= 
+
÷
= 14÷
=
﹣（
﹣
）= 0÷
= （
）×6=
+
= 
×
= 8÷
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