做題目是也要多多牢記自己哪里容易錯做個錯提集是很不錯的選擇.對于高難度題目的錯,主要是平時多做自己不會的題目,力求弄懂,并多做.只要你做的比其他同學(xué)多的多,那么你成績肯定不會差。以下是整理的相關(guān)資料，希望對您有所幫助。
48-30= 57-6= 47-6= 59-30=
69-40= 75-3= 75+4= 56-30=
34-3= 87-6= 74-2= 78-60=
34-30= 78-6= 74+2= 75-3=
88-5= 56-4= 89-7= 46-20=
69-40= 47-3= 38-7= 84-4=
63-60= 49-4= 94-70= 39-3=
71-30= 57-30= 49-5= 97-60=
47-3= 78-20= 47-5= 48-5=
32-30= 65-4= 53-50= 68-5=
47-4= 74-20= 86-5= 74-3=
75-30= 68-50= 47-30= 75-40=
86-50= 74-30= 74-50= 57-30=
28-6= 47-3= 98-20= 89-60=
39-8= 43-30= 38-20= 12+45=
36+23= 87+35= 65+24= 42+40=
78+35= 64+32= 32+53= 67-42=
68-5= 4+23= 35+42= 43+54=
67-37= 78-46= 45+32= 76-56=
74-30= 35-32= 38-7= 26+63=
69-7= 5+74= 63-41= 54-42=
38-11= 75+4= 46+30= 20+69=
75-4= 46-30= 69-20= 32+37=
4+65= 57-35= 88-63= 58+20=
78-5= 87-40= 76-3= 76-30=
4+35= 35+4= 42+40= 3+56=
24+8= 36+5= 6+4= 5+8=
9+7= 26+4= 5+38= 9+17=
46+4= 5+48= 9+37= 8+35=
14+6= 35+3= 2+46= 24+4=
35+5= 4+46= 26+3= 35+7=
6+46= 28+4= 36+5= 47+2=
7+52= 36+50= 47+7= 7+25=
37+8= 63+6= 4+58= 28+20=
42+9= 7+76= 89+2= 8+15=
46+30= 28+5= 34+6= 56+40=
3+29= 35+3= 2+46= 24+4=
35+5= 4+46= 36+3= 74+8=
48+4= 4+54= 40+37= 7+35=
8+56= 78+9= 56+3= 34+2=
73+5= 27+2= 56+8= 34+7=
73+9= 27+6= 8+29= 9+46=
67+7= 7+36= 5+69= 37+50=
5+57= 8+46= 6+46= 8+33=
9+28= 20+53= 20+37= 15+28=
46+9= 52+9= 47+6= 39+4=
86-40= 39-6= 94-40= 88-7=
63-50= 73-40= 65-5= 71-50=
45-20= 89-40= 76-50= 45-2=
89-4= 76-5= 54-30= 68-40=
77-40= 67-30= 68-30= 26-4=
85-70= 46-6= 73-50= 87-3=
99-7= 56-3= 72-20= 27-7=
95-70= 44-30= 58-40= 48-3=
48-30= 57-6= 47-6= 58-30=
75-3= 75+3= 34-3= 87-6=
74-2= 78-60= 34-30= 78-6=
74+2= 74-20= 75-3= 88-5=
56-4= 89-7= 46-20= 69-40=
38-7= 68-5= 47-3= 75-20=
86-5= 74-3= 75-30= 68-50=
47-30= 75-40= 86-50= 74-30=
75-50= 84-4= 63-60= 49-4=
94-70= 39-3= 71-30= 57-30=
49-5= 97-60= 47-3= 78-20=
47-5= 48-5= 32-20= 65-4=
53-50= 57-30= 29-6= 47-3=
88-20= 89-60= 39-8= 43-30=
38-20= 12+45= 36+23= 87+45=
65+24= 42+40= 78+35= 64+32=
48-30= 57-6= 47-6= 59-30=
69-40= 75-3= 75+4= 56-30=
34-3= 87-6= 74-2= 78-60=
34-30= 78-6= 74+2= 75-3=
88-5= 56-4= 89-7= 46-20=
69-40= 47-3= 38-7= 84-4=
63-60= 49-4= 94-70= 39-3=
71-30= 57-30= 49-5= 97-60=
47-3= 78-20= 47-5= 48-5=
32-30= 65-4= 53-50= 68-5=
47-4= 74-20= 86-5= 74-3=
75-30= 68-50= 47-30= 75-40=
86-50= 74-30= 74-50= 57-30=
28-6= 47-3= 98-20= 89-60=
39-8= 43-30= 38-20= 12+45=
36+23= 87+35= 65+24= 42+40=
78+35= 64+32= 32+53= 67-42=
68-5= 4+23= 35+42= 43+54=
67-37= 78-46= 45+32= 76-56=
74-30= 35-32= 38-7= 26+63=
69-7= 5+74= 63-41= 54-42=
38-11= 75+4= 46+30= 20+69=
75-4= 46-30= 69-20= 32+37=
4+65= 57-35= 88-63= 58+20=
78-5= 87-40= 76-3= 76-30=
4+35= 35+4= 42+40= 3+56=
24+8= 36+5= 6+4= 5+8=
9+7= 26+4= 5+38= 9+17=
46+4= 5+48= 9+37= 8+35=
14+6= 35+3= 2+46= 24+4=
35+5= 4+46= 26+3= 35+7=
6+46= 28+4= 36+5= 47+2=
7+52= 36+50= 47+7= 7+25=
37+8= 63+6= 4+58= 28+20=
42+9= 7+76= 89+2= 8+15=
46+30= 28+5= 34+6= 56+40=
3+29= 35+3= 2+46= 24+4=
35+5= 4+46= 36+3= 74+8=
48+4= 4+54= 40+37= 7+35=
8+56= 78+9= 56+3= 34+2=
73+5= 27+2= 56+8= 34+7=
73+9= 27+6= 8+29= 9+46=
67+7= 7+36= 5+69= 37+50=
5+57= 8+46= 6+46= 8+33=
9+28= 20+53= 20+37= 15+28=
46+9= 52+9= 47+6= 39+4=
86-40= 39-6= 94-40= 88-7=
63-50= 73-40= 65-5= 71-50=
45-20= 89-40= 76-50= 45-2=
89-4= 76-5= 54-30= 68-40=
77-40= 67-30= 68-30= 26-4=
85-70= 46-6= 73-50= 87-3=
99-7= 56-3= 72-20= 27-7=
95-70= 44-30= 58-40= 48-3=
48-30= 57-6= 47-6= 58-30=
75-3= 75+3= 34-3= 87-6=
74-2= 78-60= 34-30= 78-6=
74+2= 74-20= 75-3= 88-5=
56-4= 89-7= 46-20= 69-40=
38-7= 68-5= 47-3= 75-20=
86-5= 74-3= 75-30= 68-50=
47-30= 75-40= 86-50= 74-30=
75-50= 84-4= 63-60= 49-4=
94-70= 39-3= 71-30= 57-30=
49-5= 97-60= 47-3= 78-20=
47-5= 48-5= 32-20= 65-4=
53-50= 57-30= 29-6= 47-3=
88-20= 89-60= 39-8= 43-30=
38-20= 12+45= 36+23= 87+45=
65+24= 42+40= 78+35= 64+32=