口算练习十六( 50题)
时间
做对题数
2+18= 2+12= 5+1= 11-2= 10+9= 16-15= 20-1= 2+5= 17-16= 1+2= 19-6= 14-1= 19-4=
时间 17+3= 3+8= 17+3= 1+14= 13-3= 12-8= 14+3= 6+13= 12+3= 5+2= 12-11= 15-5= 18-12=
18-6= 16-1= 20-19= 5+11= 17-7= 18-7= 10-1= 12+5= 8+9= 15+1= 19-11= 7+13= 16-7= 2+15= 13-4+11= 15+3= 9-4= 10+4-7= 11-10= 6+8= 18-7+2= 2+6= 10+1= 17-6+6= 13+4= 20-1= 12-2+10= 20-3= 2+7= 5+3+7= 15-12= 9+1= 16-7+9= 5+2= 13+7=
12+2-2=
3+5=
口算练习十七( 50 题)
做对题数
5-1-4= 8+4= 17+9= 18-9-5= 4+12= 14+3= 20-9+5= 1+5= 3+14= 17-17+17= 10+2= 9-8= 15-2+4= 2+5= 19-18= 18-0-18= 17-3= 9-4= 15-4-9= 13+5= 3+7= 10+2-7= 5+6= 17-1= 15-12+16= 7+7= 6+7= 8-8+9= 20-13= 13+6= 9+8+2= 20-1= 5+8=
17-7+10=
25+3=
口算练习十八( 50题)
时间
做对题数
8+6= 17-16= 11+6= 9+5= 8+12= 3+17= 2-1= 8+7= 5+6= 1+16= 10-2= 18-8= 7-5= 11+9= 13-1=
2+8= 19-4= 19-17= 20-1= 6-3= 11+7= 17-7= 14+3= 5+13= 13-2= 6-1= 10-1= 3+5= 13-1=
3+13= 1+19= 19-9+3= 7+13= 10-2= 5+8+7= 1+8= 14+2= 1-1+10= 2+10= 1+12= 9-8+1= 11-10= 3+3= 8+5+5=
8+4= 8+2= 1+4= 9+9= 20-18= 19-5= 20-3= 17-10= 9+1= 9+10= 18-17= 6+14= 9+6= 8-6= 13+2= 19-12= 17-12= 16-4= 16-8=
2+12=
口算练习十九( 50道题)
做对题数
15-8= 19-16= 7+8+5 14+3= 3+4= 2+9+8 5-1= 15+5= 15-7-8 19-10= 7-1= 10+8-8 6+13= 11-3= 11+9-9 10+4= 20-15= 17-9+8 7-6= 19-16= 5-5+18 5+8= 20-19= 18-9-8 1+8= 9+7= 13+7-8 9-1= 17-9= 9-9+8 18-4= 14-13= 15-8-7 15-2= 12-2=
12+8-9
9+5= 8+8+5
=
==== ==== ==
时间==
口算练习二十( 50道题)
时间 18-13= 12+8= 做对题数 11+7= 9+7+3 = 6+7= 12-1= 5-2= 4+12= 3+7= 3+6= 20-9= 4+11= 7+13= 17-8= 3-2= 5+6=
时间 18-16= 14-2= 7+12= 20-15= 20-11= 14+2= 12+7= 18-4= 16-4= 14+2= 14-6= 11-3= 9+6= 1+8= 14-3=
15-5= 16-5= 18-5+3 4+5= 13+4= 12+5-9 7-2= 5+3= 13+5-7 15+5= 12+1= 13-5-8 14-6= 7+8= 14+5-9 16-6= 19-16= 5-5+6 11-9= 13-7= 14-7+3 1+18= 19-18= 10+10-9 1+7= 13+2= 12+8-10 17-7= 2+5= 5-5+5 7+10= 16-10=
10-10-0
11-10=
口算练习二十一( 50道题)
做对题数
3+3+3 = 19-15= 18-2= 11+7= 7+7-5 9-1= 10-8= 8+7-2 10-9= 20-8= 13+7-9 20-5= 20-18= 12-5-6
14-10= 6+11= 12-10= 14+5= 9+8= 6+3= 18-12= 1+17= 4+4= 10-2= 12-6= 12+6= 15+2= 5+13= 2+1= 16-14= 4+12= 3+13= 18-5=
7+6=
= = = = = = = = = = =
= = = = =
16-8+9
口算练习二十二( 50道题)
时间 13-11= 16+1= 做对题数
13-5+8 =
9-2= 18-14= 20-16= 10-5= 16-11= 6+10= 2+13= 13-3= 19-18= 17-3= 7-2= 14-2= 17-6=
时间 20-15= 6+2= 16-6= 2+17= 14+3= 20-5= 18-15= 19-14= 20-13= 14-8= 11-8= 1+3= 5-2=
16-7= 18-5= 17-5= 11-4= 17-5= 14-9= 6+8= 8+5= 7-4= 1+17= 5-2= 15+4= 11-2=
口算练习二十三(13+7-9 11-8= 14+1= 2+10= 8-2= 18-13= 15-9= 10+5= 12-9= 7+8= 8-7= 7-4= 14-3=
16-15= 10+9-5 16+4= 13+7-9 20-19= 7+8 1+8= 19-9 6+2= 20-13 18-11= 19-9 13-12= 8+9 19-4= 11-9 6+13= 13+7 20-6= 18-7 7+3= 5+8-6 14-8=
13-9+5
50道题)
做对题数
=
9-4= 3+8 2+5= 9+8 8+12= 9-8 17+1= 10-9 11-9= 12-7 1+8= 12-8 19-12= 3+9+7 18-6= 6+3+9 18-14= 12-6+9 17+3= 17-9-2 2+5= 13-8+5 8+9= 12-4+8
= =
= = = = = = = = = =
= = = = = = = = = = = =
口算练习二十四( 50 题)
时间 13-1= 17-3= 20-15= 15-5= 7+5= 19-13= 2+3= 7+6= 12-3= 15-1= 15-5= 17+2= 9+7= 1+5= 4+4=
9+3= 20-19= 19-18= 12-3= 19-8= 8+9= 3+1= 8+9= 1+18= 11+2= 9-3= 6+12= 11-5= 14+5= 6-1=
做对题数
7+12= 5-1= 12+2= 6+4= 18-11= 10-4= 4+10= 3+15= 19-12= 7+4= 19-9= 10+1= 15-1= 2+11= 4+15=
5+9+4 18-9+2 20-9-9
2+3+11 3-3-0
= = =
= =
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