四年级下册口算题.docx

四年级下册口算题.docx2. (25 + 300) +5
14. (20-16) +4 + 3x2
3. 25 + 75 + 5 + 75
15. (1520-150) 4-60-40
4. 200- (35+48 + 24)
16. (1520-1)=
9. 2401804-30x2=
10-(21+29)=
10. (40180 v 30) x2=
x (22+26x 3)=
(24(W80) 4-(30 x2)=
96. 320-(12025x4)=
36+360-12=
97. 80 v (32+8) x 300
800-8004-80x30=
800-(70x6+180)=
98. 3000-[ (32+8) x 30]=
x [169-(609)]=
65 x (40玫0x3)=
->6x2=
(*6x2)=
52+44+148=
+ [(>6) x2]=
78+125+75=
3. 180+(36:12)+6=
7 诚 9+121=
v (36-12+6)=
25 x 62 x 4=
- [36 4- (12+6)]=
125 x 7 x 8=
+ 15+10x3=
70 x 12 x 5=
7. 4504- (15+10) x>
32x25=
+ [(15+10) x2]=
5x (12x11) =
23 x 134-34 x2>
43+43x99=
99x 62+62=
x 1018=
102x45=
648+203=
63 x 15 x 2=
44 x 25=
36x101=
256x7-56x7=
x 25 x 8=
79x 32+79x68=
67x 101-67=
=
70x 105=
65 x 5+35x 5=
65 x 5M5 x 5=
65x5035x50=
12x704-38x70=
5 x 121+79 x 5=
45 x 6+35x 6=
x 5-37 x 5=
120x90-110x90
39x 8-6x 39=
326x 78-326x 68=
125x (8+4) =
12 x (40-5) =
x 48+68 x 52=
5x27+63x 5=
+ =
16 x (520-4204-20)
(42-12x0 + 8) +5
+ 6=
-4=
46 +54-46 + 54
56-0 + 8 + 14x4
96 + =
=
21+6 x (15-7)
47 4--4=
78+235 + 65
=
1204-40+(5 + 12)
175-27 + 30x2
46+46-18x2
182 + 24 + 276 + 18
175-(27 + 30x2)
230-156 + 128+28
(28 + 36) +64
175-(27 + 30) x2
(175-27 + 30) x2
12 x (300-1004-25)
155 + (145+207)
(27-3x9) v6
2464-41x17-32
16+5x8x16
18x16 + 18x14
125x14x8
125x22-125x 14
25x 50x40x6
45x 99+45
78x99
352-76-124
357-52-157
1200 + 25 + 4
720 + 4 + 9
25x32
810 + 18
15 x 32 x 125
648-126-274-148
35+95-35 + 95
8157 - (103 + 157 + 597)
154x2 + 154x 9-154
35x 135 + 65
672-36 + 64
0. 36 + +
8. 3--
+ +
--
-+
+ 1. 37 + +
5. 317 + -
+ -
-( + )
+