四年级口算题1.doc

文档介绍：口算题
26X30=
250X4=
290+53=
40X17=
964-8=
8104-90=
61—22=
17X2=
8104-90=
60X500=
270+430=
60+2=
704-14=
270+38=
120-34=
26X3=
27X30=
710-230=
18X3=
6004-4=
5404-60=
170+150=
524-4=
76+2=
170X3=
280-190=
8404-70=
50X19=
70-23=
28+68=
30X15=
15X60=
800-130=
600X50=
944-2=
300+50=
90-79=
8404-20=
4004-8=
4X23=
16+49=
7604-20=
40X25=
180+55=
83-48=
8X13=
40X170=
380-290=
2400X3=
57+3=
7504-30=
180+54=
9504-50=
964-16=
574-19=
95-59=
35X2=
4X130=
3204-40=
914-13=
40X50=
660+30=
380+57=
20X35=
46+50=
780+30=
140+180=
684-17=
480+4=
8404-20=
47+53=
800X6=
4X18=
17+54=
16X50=
5X190=
8704-30=
71-24=
504-25=
454-15=
270+30=
50-43=
3004-2=
14X4=
904-18=
203-42=
12X7=
36X2=
88-59=
424-14=
2004-50=
704-4=
27+45=
04-320=
85+5=
5X130=
30+38=
94+2=
0+230=
8504-50=
320-90=
4X15=
6X15=
6X16=
9904-11=
700+2=
8004-20=
2200-600=
93-61=
9904-90=
24X50=
960-69=
18X50=
964-12=
684-4=
47+26=
125X80=
65+13=
38X30=
7004-20=
904-30=
6404-20=
92-58=
26+54=
1400X5=
420-5-70=
60-20=
78+4=
450+50=
370+10=
640+80=
15x5=
23x3=
12x10=
480+80=
16x5=
27x3=
90-5-15=
48+4=
630-70=
60-30=
24x20=
32x3=
30-r 6=
12x8=
480+80=
600+40=
150+50=
630-70=
36-2=
50-r5=
15x6=
300-60=
16x3=
70+5=
2x45=
13x4= t
37+13=
39+61=
567+299=
327-198=
4x5=
18x35=
32x25=
15x2=
4500+900=
70+90=
4800+40=
14x201=
80-16=
420+20=
2500+50=
16x5=
32x20=
67x4=
240-5-40=
360-60=
87-3=
25x4=
40x9=
696-3=
125x8=
8x25=
80-20=
72-45=
4x50=
20x2=
300x6=
120x3 =
420x20=
16x70=
150x20=
60-30=
80-20=
240+40 =
210+70=
400+50=
1000+100=
25x40=
125x8=
300x330=
3x1400=
80+40=
600-30=
400+80=
140x300=
8800+40=
9600+800=
750-290=
5x490=
760x20=
750+50=
37x200=
660-20= 8600-4200=
210-3=
40+5=
160+40=
350+70=
13x3=
12x6=
23x4=
720-90=
24x3=
150x40=
640-80=
15x5=
23x3=
12x2x5=
480-80=
16x5=
27x3=
90-15=
48-4=
640-16=