Every second counts to solve the problem
16-2×7= 9 1+85-26= 2×2×2= 2×9×8=
3×8×8= 2÷ 1-0= 50+2×8= 14+ 1 1-25=
9×5×5= 90-8 1+2= 85-83- 1= 8×6+79=
6÷2-2= 96-2×4= 52- 1×5= 4×24÷4=
19+6×6= 5×6+82= 1×3+63= 77+66-49=
5×70÷ 10= 25÷5×9= 20÷5+37= 63- 16+ 16=
4×7×7= 80+5×7= 5 1-30+5= 9×40÷ 10=
45+9 1+29= 72-25÷5= 7×5×0= 60÷6+29=
4×3-0= 0×4+62= 36+69- 16= 5 1+37-59=
73+24÷3= 1×8-7= 3×0+48= 6×4- 19=
46+9 1+80= 60÷ 10+99= 12÷2-2= 5×4×7=
7 1-9-48= 96-44+68= 93-7×4= 28÷4+83=
12÷4-2= 4×4×2= 7×90÷9= 97-7-66=
60÷6-7= 8×27÷9= 8 1÷9÷ 1= 10÷ 1×8=
30÷ 10- 1= 76+57-79= 37+ 1×5= 90+9×7=
32÷2÷2= 10÷ 1×7= 95-57+44= 53-4× 1=
4+4×8= 34+4×4= 5× 16÷8= 92-6×2=
22+32+97= 9×36÷9= 8÷8-0= 168÷3÷7=
4×6- 1 1= 36÷9+69= 0+60-36= 13+8×8=
0×35÷7= 24-5÷5= 4×7+98= 42÷6-4=
62- 10÷ 1= 96-2×3= 43+58-67= 79-38+40=
70÷ 10×5= 35÷5+3 1= 93-22+34= 10-63÷9=
63-62-0= 20÷5-3= 47-3×2= 1 15-9×5=
9×4- 10= 60+72÷8= 8×4-22= 2 1-2×3=
1×0-0= 13+7 1+38= 16÷ 1÷8= 62-4×4=
Second grade oral arithmetic
Every second counts to solve the problem
6×6×3= 18-63÷7= 59+74-70= 100-2× 1=
8×5+45= 9×2- 10= 5 1- 19-0= 8×0+49=
3×4×9= 7×0+3 1= 89-76- 1 1= 32÷8×6=
42÷6×2= 12÷4÷3= 36÷9×5= 144÷6÷4=
9×9-6 1= 72÷8- 1= 99-9÷3= 8×5- 14=
70-3+ 13= 53-37-4= 74+3 1- 16= 6×8+3=
47- 1 1-2 1= 75+5×3= 6×4+6 1= 40÷4-5=
432÷8÷9= 74-8×7= 80÷ 10-4= 90÷9×5=
30÷5+58= 52+6×0= 62+86+70= 30÷ 10+65=
108÷3÷4= 50- 1÷ 1= 15- 1-7= 75+24÷6=
8×2×7= 4×5- 19= 28+30+94= 23-0- 18=
5÷ 1×5= 12÷4÷3= 3×7+68= 1 1+86- 1=
72÷9- 1= 78-8 1÷9= 29+9×2= 6÷ 1×4=
26+93-52= 0×6-0= 59-30÷ 10= 20-2×5=
87-7×7= 22+35÷5= 98-47+0= 62-32÷4=
48÷8-0= 5×3+95= 6 1+97-8= 73- 10÷ 10=
8×3+89= 1×0×9= 80+ 15+52= 18- 12÷2=
56+7 1-23= 9÷ 1+9= 4+5×6= 29- 1×2=
57- 13-42= 72- 17-24= 82-74+72= 16÷2×0=
7+0+94= 57+7 1-96= 270÷6÷5= 16÷4×3=
38-7+69= 4÷ 1×9= 84+42÷6= 9 1-37+58=
12÷4×2= 4+52+5 1= 102-4×6= 2×9÷9=
38+80÷8= 86-73+ 1= 8×9+72= 100÷ 10× 1=
28-2×8= 48+43-2 1= 24÷8- 1= 2 1÷7÷ 1=
79-73-4= 20÷ 10+ 18= 56+5 1+ 18= 128÷8÷8=
Second grade oral arithmetic
Every second counts to solve the problem
136-7×7= 77-8 1÷9= 92-37-4 1= 3 1+9×8=
14+5×7= 3×7+20= 2 10÷7÷3= 16+76-54=
98-39+47= 12÷3÷ 1= 49+25+8 1= 27+9 1-42=
1 13-5×3= 50÷5-4= 68+ 1×9= 83-8-9=
72÷8×6= 32+96-33= 2×7-0= 89+93-26=
66+ 14+79= 22-2 1+43= 4× 14÷7= 58-6-8=
66-9×4= 1×6-4= 42÷7- 1= 20+2 1÷7=
6÷2+20= 42+4×6= 192÷6÷8= 12-8+59=
28+0×2= 9×9×6= 65-3×9= 89- 16-5=
9×0-0= 3×5+33= 37+ 15÷3= 69-56+39=
35÷5-2= 1×9÷9= 19- 1×5= 6 1-4 1- 18=
2 1+7×8= 1×30÷6= 36+0×5= 72÷6÷4=
30+69+53= 47- 16-22= 196÷4÷7= 99+35+3 1=
5 1+80+84= 24+3×8= 53+93- 13= 20+46+62=
15- 12+68= 24- 1×8= 79-46-27= 4 1-4×7=
8×4+4 1= 3× 1+67= 126-5×6= 32÷8×8=
7÷ 1+29= 97+52-57= 5×3-6= 80÷5÷4=
58+0× 1= 159-8×9= 43+78-76= 5×9×5=
80÷2÷8= 50- 10÷5= 74-38-32= 6×8+27=
6÷3-0= 3×8×5= 68-20÷2= 0× 14÷7=
34-0×6= 4×9×4= 48-6÷3= 1×5×8=
6 1-20-36= 8×0+49= 0×6+32= 48÷6-0=
80+24-66= 4÷4-0= 4×8+ 16= 1÷ 1-0=
95-6×7= 24÷8-2= 40÷ 10-2= 13+ 16-24=
90÷ 10÷9= 1 18-7×3= 2×8-8= 27+4×5=
Second grade oral arithmetic
Every second counts to solve the problem
14+66-52= 42+0×2= 13+58+6 1= 77- 13- 14=
9×24÷4= 6×8+75= 7 1-30÷ 10= 90-9÷9=
5×32÷8= 48+74- 1= 9×6- 12= 77- 12÷3=
40÷5-4= 9 1-25-7= 87+5 1-54= 3×9×9=
66+60÷6= 39-2- 1 1= 32÷2÷2= 25+ 18÷9=
3×8+33= 34+80÷8= 83+49+ 12= 6×5+5 1=
70÷7÷ 10= 67-4-56= 58+20÷4= 27÷3÷3=
60+93+42= 105÷7÷3= 63-2×4= 12÷6- 1=
58-3÷3= 6÷3+39= 9 1+ 12÷4= 80-36÷9=
60÷3÷5= 90+ 1 1-34= 5 1-27÷3= 4×5×9=
23+48+66= 6×6+88= 14÷7+36= 54÷9×6=
9×2÷ 1= 64+3×8= 10+78+3= 80- 1-54=
76-0-40= 45- 1 1-28= 0×6+72= 24÷4-2=
8÷2×5= 72÷ 1÷9= 2×3+64= 19+5×3=
78+82-59= 23+ 10÷ 10= 84+95+74= 83-57-20=
7÷7+8= 18- 1 1-6= 2+8×8= 86+6×5=
64÷8+0= 40÷ 10+ 17= 46-54÷6= 29+49÷7=
60÷3÷5= 13+50+48= 78-80÷8= 82+64- 18=
3-6÷6= 40-3+ 18= 3÷ 1-0= 79- 10÷ 1=
1×4+92= 2×9÷3= 18÷6×7= 2×2-0=
7÷ 1÷7= 2 1+56÷8= 24÷4÷3= 8÷2-0=
56+8×7= 40÷ 10+68= 88-68+8= 60-54+3 1=
65-36÷4= 62-4×2= 60+33- 16= 47-25+44=
36+ 10+65= 4×9+4= 9×2-4= 50÷5×9=
1×2 1÷3= 6÷6+9 1= 28÷ 1÷7= 54÷6+62=
28÷4-5= 42÷7÷ 1= 54÷9×6= 144÷6÷8=
Second grade oral arithmetic
Every second counts to solve the problem
40÷5-4= 80÷8-2= 24÷6-3= 56÷7-7=
99+ 1×5= 30÷3×7= 4÷ 1×3= 45÷9-4=
54-35-4= 76+27÷9= 29+4×7= 16÷4×4=
95+7×6= 95+9÷3= 1×8+83= 53+39-2=
60÷6+23= 35+0× 1= 9×9-25= 12÷2×6=
69-4×0= 79+6+23= 5×8-6= 94+5÷ 1=
36-8- 17= 22+0×3= 7×9- 1= 5+ 12÷3=
44+32-2= 18÷2×3= 1×2+29= 80+0×6=
78+28÷4= 33+ 19+42= 49÷7×7= 13- 12÷6=
58+6×3= 137-8×6= 47+ 14÷2= 0×5+58=
16-6-2= 9× 1× 1= 6 1-50-7= 8×27÷9=
59+82-0= 16÷2×4= 62+80-79= 14÷7×9=
76-39- 10= 65-40-2= 8×7÷ 1= 48÷8-3=
35-4×0= 4× 1+ 15= 7 1+7×7= 5-36÷9=
8÷8+ 13= 60+7 1+65= 99-8+8 1= 46-24-7=
97+ 19+88= 39-32-3= 4×5×2= 5 1-6- 10=
60- 1 1-40= 79-9×8= 40÷5+82= 2÷ 1×6=
76+92-40= 9×8×4= 77+79+57= 8+40+ 18=
96- 16÷8= 648÷9÷9= 92-24+67= 4×6× 1=
0× 14÷2= 90+ 18÷3= 2 1÷7-0= 28÷4×4=
75+7×2= 53- 17+46= 96+3 1-97= 2+8 1-62=
97-0×8= 36÷6- 1= 10 1-2×5= 7× 1×9=
1× 1+99= 92+80- 10= 10-2÷2= 5 1-39-5=
1÷ 1+52= 87+8× 1= 8÷8+ 16= 28÷7-2=
30÷5+58= 52+6×0= 62+86+70= 30÷ 10+65=
Second grade oral arithmetic
Every second counts to solve the problem
7+20+7= 10÷2+63= 30÷ 10+2 1= 48-43-0=
18+35+94= 60÷ 10-0= 10+40-9= 10÷2+60=
22-3×7= 42+73+38= 96-5×8= 12-3×2=
5×4+47= 58-30+65= 38- 1 1-6= 1×80÷8=
40÷4-3= 4×8- 16= 40+42-3 1= 30÷ 10+79=
84-63+0= 28+7×7= 24- 13+38= 84+ 16+5=
7×5-9= 10- 14÷2= 7×5×8= 0× 1+7 1=
35+0×6= 109-40÷4= 2+95+79= 92+7-97=
6 1-3×6= 14+5 1-4= 3×70÷ 10= 49÷7+52=
4×0+50= 8÷8-0= 9×8+6 1= 54-6×8=
72÷8×0= 35+9×3= 70÷ 10×7= 9× 1+0=
24÷4-4= 97-89+33= 72÷8÷3= 3÷3×5=
28+5× 1= 9×8+68= 35+2 1+23= 84+60÷ 10=
13+40+87= 30÷3+42= 42-4÷ 1= 83- 13-3=
46-3+20= 89+ 12÷2= 3×6-5= 27-3×2=
40÷ 10- 1= 8 1-5×2= 69+ 12+46= 3×4-9=
78-20+63= 30÷6+26= 22+7 1+26= 9×0×7=
69+69+74= 120÷3÷8= 65+7×3= 1×6×6=
57-33+45= 64÷8-0= 6×6×0= 40+2×3=
23+82+92= 76+2 1÷3= 4+8×6= 43+30÷ 10=
7 1-7÷ 1= 50÷5+72= 57+78+ 16= 94+7×5=
8÷ 1+77= 9 1- 12+34= 78+8×7= 40÷8-4=
42÷6-2= 65- 1+25= 2×5×3= 64+66+3=
180÷ 10÷3= 98+32+44= 30÷ 10×9= 33+2×4=
8÷8-0= 87-42+75= 80+50- 1= 89- 1-3 1=
5×3+ 13= 2×5×7= 6÷6×0= 5 1+69-94=
Second grade oral arithmetic
Every second counts to solve the problem
93-9+46= 70+2+3= 73-38-3 1= 2×2×2=
86-73+62= 52+ 1×4= 4 1-3×4= 92+49+82=
90-8× 1= 95+ 13+50= 34+40÷4= 1×0+52=
53+90÷9= 2×8×3= 79+5×2= 2×9×2=
0×30÷5= 7×0-0= 23+53+34= 7×9+28=
60÷ 10×4= 73-62-7= 4×4- 1 1= 9 1+97-69=
6-4÷2= 7×0+34= 6 1-20+57= 1×7+ 16=
1×27÷3= 87-6× 1= 96+59+ 16= 16÷8- 1=
85-9×9= 7×4-7= 67-53+6= 98+25+32=
55-42+78= 5×30÷3= 18- 1×5= 4 1+2×4=
8×2+52= 5×63÷9= 1× 1-0= 9×0×8=
4×2-0= 80÷8÷ 1= 0×2×9= 5÷5+34=
66+6×7= 63+9 1+20= 2 1-3+6= 24+20÷5=
9× 1×4= 8×2×7= 60÷4÷5= 65+6÷3=
120÷5÷6= 0×3×0= 70÷ 10×9= 54-46-2=
180÷ 10÷3= 98+32+44= 30÷ 10×9= 33+2×4=
8÷8-0= 87-42+75= 80+50- 1= 89- 1-3 1=
53+60-85= 90+4 1+2= 40- 10+ 1 1= 8+99+3 1=
70÷7÷ 10= 67-4-56= 58+20÷4= 27÷3÷3=
60+93+42= 105÷7÷3= 63-2×4= 12÷6- 1=
58-3÷3= 6÷3+39= 9 1+ 12÷4= 80-36÷9=
70-3+ 13= 53-37-4= 74+3 1- 16= 6×8+3=
47- 1 1-2 1= 75+5×3= 6×4+6 1= 40÷4-5=
432÷8÷9= 74-8×7= 80÷ 10-4= 90÷9×5=
23+82+92= 76+2 1÷3= 4+8×6= 43+30÷ 10=
58-40÷ 10= 4× 1-3= 6÷6+77= 9÷9+98=
Second grade oral arithmetic
Every second counts to solve the problem
60- 1 1-40= 79-9×8= 40÷5+82= 2÷ 1×6=
76+92-40= 9×8×4= 77+79+57= 8+40+ 18=
96- 16÷8= 648÷9÷9= 92-24+67= 4×6× 1=
0× 14÷2= 90+ 18÷3= 2 1÷7-0= 28÷4×4=
75+7×2= 53- 17+46= 96+3 1-97= 2+8 1-62=
4×2-0= 80÷8÷ 1= 0×2×9= 5÷5+34=
66+6×7= 63+9 1+20= 2 1-3+6= 24+20÷5=
9× 1×4= 8×2×7= 60÷4÷5= 65+6÷3=
120÷5÷6= 0×3×0= 70÷ 10×9= 54-46-2=
180÷ 10÷3= 98+32+44= 30÷ 10×9= 33+2×4=
8÷8-0= 87-42+75= 80+50- 1= 89- 1-3 1=
24÷4-4= 97-89+33= 72÷8÷3= 3÷3×5=
16-2×7= 9 1+85-26= 2×2×2= 2×9×8=
3×8×8= 2÷ 1-0= 50+2×8= 14+ 1 1-25=
9×5×5= 90-8 1+2= 85-83- 1= 8×6+79=
6÷2-2= 96-2×4= 52- 1×5= 4×24÷4=
19+6×6= 5×6+82= 1×3+63= 77+66-49=
5×70÷ 10= 25÷5×9= 20÷5+37= 63- 16+ 16=
4×7×7= 80+5×7= 5 1-30+5= 9×40÷ 10=
45+9 1+29= 72-25÷5= 7×5×0= 60÷6+29=
4×3-0= 0×4+62= 36+69- 16= 5 1+37-59=
73+24÷3= 1×8-7= 3×0+48= 6×4- 19=
60÷3÷5= 13+50+48= 78-80÷8= 82+64- 18=
3-6÷6= 40-3+ 18= 3÷ 1-0= 79- 10÷ 1=
46+9 1+80= 60÷ 10+99= 12÷2-2= 5×4×7=
7 1-9-48= 96-44+68= 93-7×4= 28÷4+83=
12÷4-2= 4×4×2= 7×90÷9= 97-7-66=
Second grade oral arithmetic
Every second counts to solve the problem
60÷6-7= 8×27÷9= 8 1÷9÷ 1= 10÷ 1×8=
30÷ 10- 1= 76+57-79= 37+ 1×5= 90+9×7=
32÷2÷2= 10÷ 1×7= 95-57+44= 53-4× 1=
4+4×8= 34+4×4= 5× 16÷8= 92-6×2=
22+32+97= 9×36÷9= 8÷8-0= 168÷3÷7=
4×6- 1 1= 36÷9+69= 0+60-36= 13+8×8=
0×35÷7= 24-5÷5= 4×7+98= 42÷6-4=
62- 10÷ 1= 96-2×3= 43+58-67= 79-38+40=
42÷6×2= 12÷4÷3= 36÷9×5= 144÷6÷4=
9×9-6 1= 72÷8- 1= 99-9÷3= 8×5- 14=
70-3+ 13= 53-37-4= 74+3 1- 16= 6×8+3=
47- 1 1-2 1= 75+5×3= 6×4+6 1= 40÷4-5=
432÷8÷9= 74-8×7= 80÷ 10-4= 90÷9×5=
30÷5+58= 52+6×0= 62+86+70= 30÷ 10+65=
108÷3÷4= 50- 1÷ 1= 15- 1-7= 75+24÷6=
8×2×7= 4×5- 19= 28+30+94= 23-0- 18=
98-39+47= 12÷3÷ 1= 49+25+8 1= 27+9 1-42=
1 13-5×3= 50÷5-4= 68+ 1×9= 83-8-9=
72÷8×6= 32+96-33= 2×7-0= 89+93-26=
66+ 14+79= 22-2 1+43= 4× 14÷7= 58-6-8=
66-9×4= 1×6-4= 42÷7- 1= 20+2 1÷7=
6÷2+20= 42+4×6= 192÷6÷8= 12-8+59=
28+0×2= 9×9×6= 65-3×9= 89- 16-5=
9×0-0= 3×5+33= 37+ 15÷3= 69-56+39=
35÷5-2= 1×9÷9= 19- 1×5= 6 1-4 1- 18=
2 1+7×8= 1×30÷6= 36+0×5= 72÷6÷4=
30+69+53= 47- 16-22= 196÷4÷7= 99+35+3 1=
Second grade oral arithmetic
Every second counts to solve the problem
5 1+80+84= 24+3×8= 53+93- 13= 20+46+62=
15- 12+68= 24- 1×8= 79-46-27= 4 1-4×7=
8×4+4 1= 3× 1+67= 126-5×6= 32÷8×8=
7÷ 1+29= 97+52-57= 5×3-6= 80÷5÷4=
58+0× 1= 159-8×9= 43+78-76= 5×9×5=
80÷2÷8= 50- 10÷5= 74-38-32= 6×8+27=
6÷3-0= 3×8×5= 68-20÷2= 0× 14÷7=
34-0×6= 4×9×4= 48-6÷3= 1×5×8=
76-0-40= 45- 1 1-28= 0×6+72= 24÷4-2=
8÷2×5= 72÷ 1÷9= 2×3+64= 19+5×3=
78+82-59= 23+ 10÷ 10= 84+95+74= 83-57-20=
35-4×0= 4× 1+ 15= 7 1+7×7= 5-36÷9=
8÷8+ 13= 60+7 1+65= 99-8+8 1= 46-24-7=
97+ 19+88= 39-32-3= 4×5×2= 5 1-6- 10=
60- 1 1-40= 79-9×8= 40÷5+82= 2÷ 1×6=
76+92-40= 9×8×4= 77+79+57= 8+40+ 18=
7÷7+8= 18- 1 1-6= 2+8×8= 86+6×5=
64÷8+0= 40÷ 10+ 17= 46-54÷6= 29+49÷7=
4×0+50= 8÷8-0= 9×8+6 1= 54-6×8=
72÷8×0= 35+9×3= 70÷ 10×7= 9× 1+0=
24÷4-4= 97-89+33= 72÷8÷3= 3÷3×5=
28+5× 1= 9×8+68= 35+2 1+23= 84+60÷ 10=
13+40+87= 30÷3+42= 42-4÷ 1= 83- 13-3=
46-3+20= 89+ 12÷2= 3×6-5= 27-3×2=
5÷ 1×5= 12÷4÷3= 3×7+68= 1 1+86- 1=
70÷ 10×5= 35÷5+3 1= 93-22+34= 10-63÷9=
Excerpted from Baidu Library