二年级数学S版上册练习题库文档格式.docx
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70-25=42-24=60-32=90-23=71-29=70-23=
66-59=65-19=40-23=91-37=77-18=42-27=
72-35=50-15=93-59=44-27=85-27=90-67=
86-19=72-54=78-19=81-34=81-37=63-28=
31-16=44-29=92-67=75-47=60-23=95-29=
93-64=81-17=70-56=72-17=72-47=82-37=
64-29=85-29=31-13=72-53=80-18=70-47=
61-19=85-28=86-37=54-39=34-16=94-67=
53-28=74-28=52-18=73-48=41-38=75-68=
98-98=87-58=66-28=51-18=71-58=91-38=
51-14=71-53=91-39=
51-15=71-54=91-36=
51-16=71-26=
二、画角:
1.锐角(20个):
2.钝角(20个):
3.直角(20个):
三、混合运算:
1.乘加(100个):
4×
6+48=6×
2+20=3×
9+13=3×
5+46=
1×
5+67=
2+9×
9=7×
8+45=6×
4+34=
8×
4+41=3×
1+67=8×
8+19=7×
1+29=
3+39=4+5×
6=2×
8+15=5×
7+18=
3×
7+20=7×
3+35=3×
2+67=5×
3+56=
68+1×
9=6×
2+20=4×
6+48=3×
9+13=
5+46=2+9×
9=1×
5+67=7×
8+45=
6×
4+34=4×
7+21=3×
8+39=8×
4+41=
8+19=7×
1+29=6×
2+20=
5+46=12+9×
9=
7+21=
8+19=
11+9×
8=14+5×
7=
7+20=12+3×
2=
9=
20+2×
6×
2+20=
42+4×
6=
5+33=
37+7×
6=21+7×
8=36+0×
5=
72+6×
4=24+3×
8=8×
1+67=
32+8×
8=7×
8+27=19+5×
3=
6=11+9×
8=14+5×
7=
2=68+1×
9=20+2×
2+20=42+4×
6=3×
5+33=37+7×
21+7×
8=72+6×
4=7×
8+27=
24+3×
1+67=32+8×
8=
48+6×
6=4×
8+16=27+4×
5=25+8×
8+33=34+8×
8=6×
5+51=58+2×
4=
27+3×
3=15+7×
3=6×
3+39=6×
6+18=
2.乘减(100个):
9×
4-27=
2×
6-4=
7×
5-6=
7-6=
8-24=
7×
2-7=
9-66=
9×
2-3=
6-25=
35-5×
2=
3×
6-7=
5×
5-17=
7+21=
8+39=
8-14=
7-4=
6-16=
3-6=
4-8=9×
2-9=
9-54=
9-25=9×
5-5=5×
6-17=
6-16=8×
9-63=7×
7-26=9×
8-57=
4-9=8×
6-37=2×
7-5=4×
7-14=
8-19=9×
4-27=2×
6-4=7×
1-6=
7-6=6×
8-24=7×
2-7=9×
9-66=
6-25=35-5×
2=3×
6-7=5×
8-14=4×
7-4=5×
6-16=5×
3-6=
4-8=9×
2-9=8×
9-54=5×
9-25=
4-27=2×
1-6=2×
8-24=7×
6-7=9×
9-66=7×
6-25=
35-5×
2=3×
5-17=3×
8-14=
21-7×
3=
33-5×
50-5×
4=
72-8×
7-14=
58-6×
8=
66-9×
42-7×
1=
92-6×
8=
9-6=
65-3×
9=35-5×
19-1×
5=30-1×
6=56-4×
7=24-1×
41-4×
7=56-5×
6=5×
3-6=80-5×
89-8×
9=92-4×
6=8×
9-72=28-2×
66-7×
7=21-7×
3=33-5×
3=50-5×
7-14=58-6×
8=66-9×
8=9×
9-6=65-3×
3.小括号(100个):
35-(4×
6)=4×
(2+5)=71-(7×
6)=
(99-96)=8×
(8+1)=6-(71-65)=
99-(81-8)=46-(24-7)=(27+19)-18=
39-(32-3)=4×
(5-2)=(51-6)-10=
60-(40-11)=79-(9×
8)=(6×
9)+12=
2+(2×
6)=76+(52-40)=8×
(8-4)=
92-(24+17)=34-(6×
4)=(10-4)×
(6×
4)-13=32-(7×
2)=(8×
7)-54=
53-(17+36)=16+(31-27)=2+(81-62)=
97-(2×
8)=(36-6)-21=(10-2)×
(7+1)×
9=92-(80+10)=(10-2)×
51-(39-5)=(7×
6)+12=(2+4)×
(18-9)×
2=(3×
5)+28=(52+6)×
0=
62-(26+20)=(30-10)+65=48-(43-5)=
10+(40-9)=(9×
2)+32=22-(3×
7)=
(42+33)-38=96-(5×
8)=(12-3)×
(58-30)+65=38-(11-6)=6×
(8-8)=
40-(4×
3)=(4×
8)-16=40+(42-31)=
28+(7×
7)=(24-13)+38=(10-4)×
19-(4×
4)=(2+4)×
9=(92+7)-97=
61-(3×
6)=14+(51-4)=49-(7+42)=
54-(6×
8)=7×
(8+1)=35+(9×
3)=
70+(2×
7)=24+(4×
7)=97-(89+3)=
28+(5×
1)=28+(6×
3)=(42-4)×
83-(13-3)=46-(3+20)=29+(2×
2)=
(6-5)=7-(3×
2)=4×
(9-1)=
78-(20+13)=43+(5×
6)=40+(2×
32-(9×
3)=35+(7×
3)=(1+6)×
57-(23+25)=(13+82)-92=36+(2×
9)=
(4+2)×
6=71-(7×
6)=91-(12+14)=
(59-54)=5×
(9-2)=65-(1+25)=
(25-23)=54+(36+3)=48-(5×
(98-32)-44=30-(3×
9)=33+(2×
4)=
87-(42+15)=93-(9+46)=73-(38-31)=
四、解答问题
1、男生有22人,女生有21人。
有16人参加接力赛,有多少人没有参加接力赛?
2、三个组共收集了94个易拉罐,第一组收集了34个,第二组收集了29个,第三组收集了多少个?
3、奇奇今年8岁,爸爸今年35岁,爸爸50岁时奇奇多大?
4、动物园儿童票每张5元,成人票每张8