文档介绍:计算下列各题 :
+= x+ × 2= ×χ=
--=
7+5χ=42
×=
÷ =
+)× =
标准文档
÷2=
+ 0÷.5=
50×=
÷33=
×7=
2÷=
×40÷10=
×=
÷=
×1=
×=
1÷250=
÷=
× =.
×32=
÷=
÷16=
-=
×3=
+=
16÷=
×=
×10=
×=
×=
×1000=
×=
×=
×102=
9÷÷4=
×× 4=
÷9=
÷=
÷ 2=
×8=
× =
×4×=
200× =
12-=
4× ×=
×=
÷=
(- )×=
÷6=
×=
×+ 1×.2=
÷×=
+ ++
=
+=
÷=
÷= ÷=
÷ 24=
× =
×100=
×=
× =
÷ =
×8=
× =
÷ =
× =
×=
×=
÷ =
÷=
÷ =
实用大全
标准文档
÷ =
×20=
×=
++ =
÷ =
×=
12÷ =
7÷ =
×4=
× =
÷=
× =
99× =
× 5=
×3=
÷ =
×1000=
+ =
×5÷
×1=
+ =
÷ =
÷ =
× =
× 20=
×
=
+1÷ =
-
=
×4÷ ×6=
× =
÷=
+1÷=
- =
×5÷
×5=
+ =
÷
=
×20=
÷ 5=
÷ =
÷ =
÷ 7=
0× =
+1÷ =
÷17=
× =
+ =
÷ ×2=
4÷ =
×20=
× =
3÷4=
÷ =
× =
÷9=
×10=
1- =
0× =
× =
×4=
×0=
0
÷ =
× =
1× =
× 8=
9
×