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新人教版小学数学一年级下册混合运算及小括号练习题
21-3+8=
3+75+5=
54+8-30=
20+9+4=
21-(3+8)=
82-42-6=
6+20+30=
53+5-5=
24+8-4=
77-77+7=
68-34-30=
35+8-8=
24+(8-4)=
60-43-7=
68-34-30=
39+8-5=
77+9+6=
50-25+8=
9+28+20=
39-(4+5)=
53-7+20=
80-34+6=
50+39-50=
8+50-6=
53+(20-7)=78+6-10=
65-33+20=
75-(28+2)=
83+7-30=
88-(42-6)=9+51-40=
78-39+26=
83-(30-7)=55-(25+8)=95-65-30=
60+(17-8)=
83-(30-7)=80-(34+6)=8+77+20=
100-47-28=
23+9-8=
0+82-60=
41-41+10=
29+35+14=
23+(9-8)=
52+2-7=
50-43+30=
98-(50+30)=
47+7-10=
53-20+6=
40-(2+8)=
90-19=
37-9-26=
58-(20+6)=27-(9+4)=
24-10-7=
37-(26-9)=47+(10+8)=32-(4+6)=
41+5=
5+53+2=
53-50+47=
41-2-9=
20+13-9=
68-58+6=
64+30-30=
38-9+8=
8+53=
68-(58+6)=29-20+9=
30-2+7=
34+25+5=
4+76+8=
29-(20+9)=72+9-5=
98-70=
30+32-8=
20+55-20=
72-(9-5)=
58-58+8=
60-55+7=
20+(55-20)=66-(4+6)=
65+20=
85-(55+7)=4+66+30=
39-2+7=
39+7-20=

f56+30=35-17=50-30=90-9=
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