2017人教一年级数学下学期口算
口算就是用脑计算,用口头叙述来记忆当时的'结果。这种方法用于速算,常练有助于智力的提高。也成为如今的主流的计算方法。
2017人教一年级数学下学期口算1
30-20=
5+( )=13
71-70=
11-8=
11-3=
54-4=
3+( )=14
46-6=
36-6=
27-7=
11-4=
9+( )=14
11-4=
13-5=
18-9=
12-5=
6+( )=13
12-5=
73-70=
2+90=
8+30=
4+( )=14
33-3=
12-6=
17-8=
45-40=
7+( )=14
50-20=
4+50=
12-7=
11-5=
4+( )=13
11-5=
26-20=
93-90=
12-3=
2+( )=14
12-3=
13-6=
16-8=
65-50=
8+( )=14
40-60=
11-4=
37-7=
26-6=
7+( )=13
100-80=
100-90=
14-9=
12-4=
5+( )=14
12-4=
14-6=
50+8=
13-5=
9+( )=15
6+30=
30+70=
14-7=
2+70=
8+( )=13
70+5=
10-8=
5+60=
53-50=
3+( )=13
13+50=
15-6=
14-8=
14-5=
8+( )=15
14-5=
30+4=
57-7=
11-7=
2+( )=13
11-7=
60-20=
16-9=
62-60=
9+( )=13
32-30=
11-5=
83-80=
10-4=
6+( )=14
50-40=
39-30=
16-7=
73-70=
3+( )=13
13-7=
10-6=
7+60=
13-4=
7+( )=15
13-4=
62-2=
12-8=
12-5+7=
14-5+9=
13-7+6=
12-4+8=
15-8+9=
14-7+6=
11-6+5=
14-7+6=
11-2+8=
13-5+9=
15-9+4=
12-3+9=
15-9+4=
12-6+8=
16-7+5=
13-8+7=
14-6+5=
14-5+9=
13-6+5=
11-5+6=
12-4+8=
12-3+9=
15-6+7=
11-8=
11-3+7=
2017人教一年级数学下学期口算2
26-24= 80-20= 65+24= 81-6= 26+50=
80-60= 68-31= 23-1= 62+2= 68-60=
72-30= 35-32= 50-39= 7+23= 90-3=
49-11= 87-73= 48+22= 82-16= 32-12=
90-6= 37+41= 86-82= 4+70= 45-21=
31-8= 5+11= 76-43= 42+54= 86-46=
37-32= 25+42= 52-20= 59-22= 26-1=
0+58= 61+32= 17+70= 89-46= 35+43=
89-78= 0+52= 71-57= 74-20= 93-52=
81-11= 11+81= 51-6= 56-45= 3+51=
99-31= 58-22= 23+24= 67-4= 37+21=
90+7= 21-10= 55-21= 80-22= 29+41=
39-35= 54-14= 43+50= 58-9= 19-5=
89-28= 69-64= 54-1= 19+1= 29-17=
60+13= 92-12= 49-5= 2+22= 63+6=
42-35= 0+96= 42-32= 62+17= 76-30=
91-70= 24+6= 85-24= 85-9= 40-2=
66+13= 35-3= 46+23= 99-92= 88-78=
93-53= 38-3= 36-13= 78+1= 55+41=
97-37= 42+8= 95-24= 91-30= 98-15=
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