文档介绍：口算题
26x30=
250x4=
290 + 53=
40x17=
96:8=
810:90=
61 - 22=
17x2 =
810:90=
60x500=
270 + 430=
60:2=
70-14=
240 口6= 39-3= 32x3=
48:16=
12x8 =
27x3 =
56-14=
24:8= 83 -45=
560-80=
90:30=
240-80=
3x50=
960:3
95:5 =
120:60=
720-80=
20x14=
90x3=
30x23=
400:80=
240-60=
180-9=
20x40=
120x4=
210:3=
360-60=
200-40=
44x2=
4x23 =
270:9=
540:90=
320-8=
72:3=
25x4=
160:80=
200:50=
7x12 =
52:4=
100:50=
350:70=
350:70=
5x120=
400:50=
30x15=
210:30=
400-80=
14x30=
90:6=
120:60=
720:90=
300:50=
810-9=
75:5=
350:50
160:40=
240:40=
640-80=
490:70=
200:40=
400:50=
320:40=
150-30=
16x40=
5x24=
250:50=
990:3=
400-5=
110 - 30=
100:25=
180:60=
70x90=
160-40=
480 - 400 =
90 + 240=
60:20=
540-6=
240-8=
23x20=
630:70=
360:90=
360:4=
350:70=
50x60=
72:6=
560:70=
32:2=
120-30=
900:30=
15x40=
480:60=
1204-3=
560:70=
24x3 =
16x60=
70:10=
300-6=
450:90=
600:20=
540:9=
90:6=
280:40=
70-5 =
500:50=
300:6=
48:12=
75:15=
76-19=
84:12=
90:15=
80:16=
68:17=
52:26=
96:24=
68:17=
56:14=
54 口 8=
78-26=
75:15=
85:17=
98:14=
50:25=
84-21=
45:15=
60:15=
34:17=
98-49=
30:15=
96-16=
72:18=
85:17=
69-23=
52:13=
54:18=
84:14=
92:23=
60-12=
9X13=
80-16=
76:19=
96:24=
96-12=
80-16=
90:45=
98-14=
100:4=
65:13=
96-16=
98:14=
70-14=
63:21=
90-15=
95:19=
84:12=
95:19=
60:15=
48 口 6=
72:12=
92:23=
92:23=
70:14=
72:18=
90-15=
60:15=
100-25=
45:15=
57:19=
5X17=
87:29=
8X27=
5X17=
75:25=
85:17=
96:12=
84:28=
36:18=
78 口 3 =
72:18=
70:14=
76-19=
72:24=
84:12=
76-19=
8X27=
60-12=
54:27=
42:14=
92:46=
56:14=
75:25=
84:42=
32:16=
76-19=
65:13=
87:29
72:12=
64:16=
60-12=
9X13=
78-13=
84:14=
90-18=
42:14=
75:15=
75:15=
100 - 34=
90-45=
16x6 - 6=
96 - 32:16=
90 - 3x13=
90 - 55=
90 - 35=
32 + 3x20 =
120:40 + 20=
(170 + 40 ) ：30=
30 - 12=
180 - 72=
32 + 3 - 20=
180 - 36 - 44=
(95 - 20 ) ：25=
80 - 29=
18