列竖式计算．354+268= 867+325= 48+768=298+603= 368+295= 545+176=76+49= 57+85= 94+96=
直接写出得数． 93= 8.7﹣7=÷1= 21÷7= 7×÷7×= 44÷= 75÷10%= 0.9+99×0.9=
直接写出得数．
直接写出得数．÷=+=÷=×= 1÷0.25=÷1=÷3=﹣=
直接写出得数．÷=×3= 6×=+×7= 100÷10%=÷1=÷7=
=÷21= 2.4×= 42÷=×= 10×10%= 3﹣1= 3π= 1﹣+=×÷×=
÷1
= 21
÷7=
÷7×
= 75÷10%= 0.9+99×0.9=
．
÷
=
+
=
÷
=
×
=
÷1=
÷3=
﹣
=
÷
=
×3= 6×
=
+
×7=
÷1=
÷7=
=
÷21= 2.4×
= 42÷
=
×
=
= 3π= 1﹣
+
=
×
÷
×
=
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