文档介绍:7204-80=
286+198=
3 5 —X —=
5 6
24x12-5-8 =
6604-11 =
314-202=
2 1 —x —=
5 3
34x5=
900-680=
1 2
一 X——=
2 5
1 1
2'6 -
4. 8-=
230x20=
1
30x- =
3
1 1
—X —=
7 5
+=
12x8=
2
—xl2=
3
4
25x —=
5
10+=
32x3=
5 1 _
6'2 "
1 1
一 X —=
2 5
-2=
300rl0=
1 1 1
( — + — + — )x24=
2 3 4
(25+4) x4=
36-29=
44x200=
+=
-45-=
20x6=
36007900=
=
4
2 + —=
9
1204-4=
32QtS0=
10--=
--
300+25=
1
1 =
5
12
—v24=
7
3/14x6
630-30=
3
1 =
4
3三4/5二
-17=
4x50=
6
2——=
7
-
14-=
+=
2 2
3 3~
=
5・2三1・3=4
26x13 =
9 | 4 +
9 | 2
II
=
=
36626=
3
1 =
4
3 1
一 + — 10 5
3
—x8=
4
26+34 =
1 _
6 -
-xlOO
5
7
——xlOO
25
125x8x4=
5 6
1 =
7 7
4 7
io ~
5
—x90=
8
250x4=
7 2
1 =
9 9
7
——J —
■ 10"
25x12=
24+4+56*4=
8 5 ! —
5 - 8~
3 3
1 —
16 ' 16~
8-=
1 匕丄
7 5
! —
18 ' 9~
9 8
J —
26 ■ 13 "
=
4 4
2— -1 = —7-=
-15=
-=
30x203=
f申
Ill--
10-=
-=
=
8 7 _
110~
+=
3x604-9=
-=
嘉・3当00=
1 1
45+35x12=
+&13=
+=
9 10
3 1 _
4~4~
43-26=
=
++=
3 5 —1—=
8 8
400+3000=
910v70=
34--2=
7
10~
2300-700=
—
15 15
+=
5 1—=
6
78三9=
=
-=
11 4
21 21~
890-80=
3 ——X ——
8
+=
7 1—=
18
820+60=
v 3 =
+-6=
11 3
16 16-
800+600=
+ =
-=
8 2
15 15 =
6x8=
9 1
—X =
4 27
=
5 1
8 8"
60+470=
578+216 =
-r2=
7 1
H = 12 12
50+500=
724- =
=
+=
1000-400=
0 =
+=
-17=
200+710=
=
-
=
900+1500 =
=
=
=
(38-29)x3 =
3
14-—=
2
+=
=
240-404-8=
18x4 =
654-50=
=
580-300=
104- =
=
=
780+5x6=
410-210=
+=
-3=
(54+18)4-8=