五年级数学下册口算题.docx

文档介绍：五年级下册口算题
17X40=100-63=+==14-=-==+=10-=4+20==-=-15=+=
+ 17= + 19= + = =
X.
=
4+
=
30X(200+3)=

=
-=
+=
-=-=+=
=+=81-=
-=+=-=
-=+=5X400=
+=1874-1000=1+=
=754-10=+
===
===
===
===
===
===
===
===
1-==-=
=+=+=
=4+=3+4=
-9==6-=
36+===
0+===
===
===
===
=17X40=100-63=+==
14-=-==+=
10-=4+20==-=
+15===+=
=420+35=25X12=135+=
1/2=-3/4=2/3-3=4/9+2=1/4+3/41/6+1/2-1/6=-(+)=7/8+3/8=
3/10+1/5=4/5-7/10=2-1/6-1/3=
= = 07X8=
=1+5=6+12=-=
1)=
2)=
3)+=
4)124-4=
5)=
6)+=
7)12--=
8)(+)=
9)16+=
+=
+16=
++=
-=
-(+)=
+=16)+=
=