1、 43+50= 85-57= 41+42= 40+51= 48+37= 73-43= 74-69= 42+29= 13+3= 74+16= 97-60= 68+31= 84+16= 17+83= 26+43= 23-8= 71+21= 12-8= 44+28= 62-2= 53+32= 24+29= 88-62= 28+23= 48-19= 2+1= 72-42= 2+64= 1+41= 45+54= 53+40= 59+8= 98-81= 70+28= 98-20= 58-17= 34-22= 16+48= 45+12= 38-32= 11+41= 83-36= 37-19= 40+3= 2
2、1-13= 21+35= 31+42= 8+92= 61+5= 66+1= 26+70= 80-63= 100-18-5= 41-30+8= 76-63-7= 75-59-3= 38+18-5= 54-44-5= 75-57+8= 4+32-25= 44+38-56= 49+49-16= 67-53-13= 74-52+3= 59-9-42= 67-49-5= 41+45-50= 19-3-5= 77-4-6= 56-3+8= 73-38+8= 16+36-46= 38+38-3= 64+10-45= 2+66-53= 54+10+3= 7.9-7.12 用时： 24+74= 55-3= 50
3、+15= 46+11= 68+31= 7+87= 75-15= 13+58= 10+36= 49+27= 79+6= 50+5= 70-13= 64-56= 81-22= 2+51= 72-24= 48+42= 50-11= 9+69= 32+21= 34+4= 27+40= 36+45= 21+66= 41-8= 56-31= 37-22= 15+76= 35+46= 93-56= 35+5= 43-35= 99+1= 87-43= 43-38= 27+20= 95+2= 27+63= 22-6= 68-16= 35+17= 91-50= 88-58= 25+7= 87-12= 46-27=
4、 20+49= 39-13= 7+67= 4+5= 83-78= 7+73= 38+14= 27+10= 54-42= 67-63+18= 45+37-8= 28-7+5= 73-34+10= 37+5+13= 12-4+6= 73-36-13= 71-15-12= 19+15-13= 17+75-16= 43+20-7= 21+5-5= 78+14-17= 6+73-17= 46-44+23= 31+41-13= 25+46-11= 90-83-3= 88+11-25= 74-57-8= 17+32-9= 16+66-25= 51-47+44= 95-24-15= 7.13-7.16 用时：
5、 41-28= 26+17= 12+1= 1+17= 19+23= 23-8= 37+10= 23+27= 1+32= 43-7= 4+28= 7+25= 29+1= 5+17= 10+27= 30-8= 19+19= 21-4= 41-24= 41+2= 19-12= 44-13= 15+2= 14+15= 16+23= 42-26= 34+3= 47-23= 36-35= 38-37= 20-19= 48+1= 19+20= 23-1= 41-19= 34-10= 1+33= 18+24= 3+36= 28-23= 3+14= 30-1= 9+28= 44-16= 6+34= 21-13=
6、 5+38= 29+16= 33+11= 22+25= 10+19= 35+3= 22+10= 24-2= 8-3= 2+12= 9+40-5= 12+34-16= 3-2+89= 34-6-2= 21-10-4= 22+17-8= 43-35-3= 35-16+5= 43+5-6= 32-14+46= 50-32-9= 12+1+8= 50-34-1= 33+3-9= 15+2-5= 7+1+12= 10-6+46= 19-10+78= 1+26-18= 9+1+87= 11+38-21= 5-4+31= 42+4-26= 49-20-13= 日期：7.17-7.20 用时： 71-50=
7、41-37= 39-16= 56-20= 22-6= 58-46= 73-21= 60+2= 66-64= 69-24= 47+13= 3+67= 32-27= 3+8= 10+56= 6+38= 59-9= 29+45= 24+13= 35+14= 54-35= 9+4= 62+16= 66+10= 28-20= 3+18= 62-18= 69-10= 72-16= 18+58= 1+12= 49-2= 2+3= 34+11= 54-45= 27-26= 11+11= 9+10= 57+17= 47+17= 52-37= 64-45= 2+15= 37-34= 28-8= 59-35= 25
8、-12= 16-2= 71-23= 77-65= 12-9= 63-30= 28+39= 17+39= 11+63= 32+1= 26+10-23= 18+55-6= 17+36-32= 1+62+5= 38+35-18= 51-3-23= 70+8-51= 53-24-21= 8+28+7= 25+26-34= 11+7+32= 60-21-18= 7+14-6= 8+15+26= 80-23-16= 18+26-14= 44+5-29= 51-15-30= 73-8-45= 75-36-26= 64+6-9= 22+52-38= 19+37-32= 4+31-26= 7.21-7.24 用
9、时： 12+73= 54-19= 77-34= 85-25= 40-36= 10+5= 13+24= 61+27= 63-18= 14+21= 79-65= 76+14= 10-9= 69-57= 57-45= 33-28= 15+2= 19+20= 38+11= 34+45= 3+45= 68-30= 56-40= 57+5= 26+14= 85-20= 34-8= 9+65= 84-8= 65-1= 54-6= 33+24= 70+7= 22+26= 48+9= 24+59= 40-17= 47-46= 43+4= 2+87= 26+43= 22-19= 18+38= 7+78= 30+4
10、2= 86-36= 74-60= 57+31= 61-40= 86-5= 29+19= 25+43= 80-5= 63-1= 7+12= 29-23= 49-5-17= 15+64-23= 55-16-12= 78-34+8= 69-50-3= 41+27-51= 86-21-5= 83-77+3= 26+45-4= 47+16-15= 37+40-23= 55-38+6= 68-3-26= 90-65-13= 33+45-39= 75-14+9= 54+27-61= 52+38-54= 19+64-46= 36-15+1= 90-9-16= 25+25-19= 77+1-41= 79-52+
11、4= 7.25-7.28 用时： 3+47= 23+1= 18+21= 31+57= 3+64= 44-38= 38+17= 83-39= 26-2= 29-27= 20+52= 77-11= 81-5= 9+24= 54+31= 59+7= 45-11= 24-6= 67-12= 39-33= 1+20= 81-1= 45+6= 30+52= 29+3= 59-50= 72-67= 69+21= 22+12= 46+18= 1+21= 47-42= 37-24= 29+38= 30+6= 37+1= 49-1= 66-53= 54-46= 82-2= 8+21= 46-38= 22+62=
12、49-32= 73+1= 1+70= 30+16= 82-25= 37+44= 31+53= 42+21= 69+11= 55+19= 46+14= 62+6= 54+24= 12+64-16= 27-6+4= 67-34-4= 35+47-17= 9+76-45= 27-13-4= 57+12-37= 64-28-30= 65-23-12= 49-23-12= 6+80-49= 62-4-26= 41-20-6= 61+8-14= 46+2+18= 75-1-41= 4+15-18= 49-2-19= 62-24-31= 11+55-39= 32-20+49= 28+6-8= 80-8-54
13、= 75-47-3= 7.29-8.1 用时： 7+57= 33+26= 12+27= 92-43= 62-35= 48-26= 78-10= 52+1= 76-27= 49+17= 91-41= 20+9= 4+68= 3+4= 83-34= 32+62= 31-15= 81-66= 82+3= 71+5= 69-26= 73-31= 49-11= 85-69= 87-3= 90+9= 98-8= 84-20= 72-66= 10-7= 16+41= 84-43= 29-13= 92-4= 71+7= 64+32= 69-41= 75-65= 60+8= 1+83= 60-32= 47+8=
14、 13+18= 74+2= 31+13= 24+37= 20+69= 86+4= 3+29= 92-44= 86-33= 64+19= 69-12= 52-31= 89-24= 45-43= 40-28-8= 13+32-2= 30+66-8= 70+4-5= 95-79+5= 6+13-4= 86-42-13= 70-26-36= 62-9-23= 11+13-9= 17+52+7= 52-40-7= 16+20-7= 59+17-43= 98-63-23= 26+43-34= 40-16-11= 3+29+5= 22+62-8= 47-43-7= 7+69-17= 91-90+7= 63+
15、1-45= 37+22-33= 8.2-8.5 用时： 51-19= 26+58= 17-3= 28-12= 13+20= 72-20= 50-37= 39-2= 13+17= 9+44= 77-47= 100-41= 90-65= 21+52= 42+10= 40-28= 93-28= 32-2= 13+38= 72-21= 26+19= 11+62= 77+7= 33+26= 77-37= 58+35= 11+56= 52+30= 56+43= 91-2= 86-12= 17+15= 6+16= 65-2= 41+42= 98-96= 86-7= 72-53= 73-61= 44-7= 6
16、5-28= 83-34= 91-51= 12+36= 30+5= 19+10= 52+47= 10+52= 93-21= 41+41= 41-34= 74-60= 58-11= 78-55= 26+49= 88-19= 55-30-3= 46-11-23= 62-42+7= 78-66-11= 47-4-18= 35+3-20= 51+24-31= 61-56+8= 16+68-23= 9+90-44= 38-14+9= 2+23-14= 43+31-34= 37+54-78= 65-52+3= 29+29-18= 99-5-67= 15+34+8= 42+6-31= 94-34-35= 16
17、+47-31= 64-41-19= 90-81-7= 75+16-56= 8.6-8.9 用时： 38-25= 41-16= 46+33= 51-15= 29-10= 76-22= 32-17= 65+22= 62+5= 2+52= 61+23= 73-63= 30+18= 70-58= 56-23= 4+87= 66-1= 58+23= 82-5= 24+52= 64-22= 33+55= 50+17= 99-40= 21-7= 36+32= 32+3= 9+42= 89-74= 59-54= 28-22= 40+24= 78-63= 71-35= 8+29= 46+6= 34-30= 59
18、-39= 66-18= 46-11= 65+30= 13+19= 81-6= 18+70= 69-19= 17+45= 77+4= 59+29= 36-35= 81+11= 44+7= 61-16= 64+36= 19+79= 97-20= 22+58= 83-7-56= 4+78-9= 83-14-21= 74-7-31= 26-8-4= 27+24+4= 1+23-3= 100-65-17= 27+51-36= 39-28-3= 51+24-37= 16+71-68= 81-9-25= 1+47-29= 40+42-39= 5+25+7= 34-3-4= 74+12-34= 26+12-7
19、= 88+7-69= 28+32-23= 6+26-17= 53+11-43= 30-29-5= 8.10-8.13 用时： 34-5= 3+88= 30+4= 39-6= 75-20= 13+41= 8+69= 10+26= 61-24= 35-17= 84+4= 37-26= 57+28= 38-22= 98-60= 20-9= 75-49= 44+29= 63+34= 85-17= 73-9= 39+49= 11-9= 86-85= 38+58= 49-19= 58+8= 89-41= 32-18= 71-41= 75+22= 75-70= 33+38= 89-30= 20-18= 74
20、+26= 96-56= 2+36= 96+1= 18+21= 6+66= 7+84= 73-40= 63-41= 20+72= 17+64= 56-25= 100-97= 82-3= 70-64= 24+50= 64-49= 46+5= 91-4= 23+76= 58-28= 73-56-4= 37+12-17= 21+62-56= 88-39-5= 53-47+8= 69+7-31= 87-65-3= 84+12-61= 42+40-60= 82-21-24= 48-35+8= 79+17-18= 63+27-54= 45+1-33= 100-21-32= 17+34-31= 13+84-3
21、5= 70+11-8= 84-30-21= 69+12-48= 82-2-72= 1+36-5= 30+11-32= 96-9-61= 8.14-8.17 用时： 43+5= 16+82= 74+8= 100-41= 51-32= 57+21= 51-19= 32-8= 11+2= 83-10= 73-58= 74-55= 6+91= 75-5= 89-33= 17+79= 22+24= 100-72= 82+13= 23+75= 80-36= 3+50= 8+19= 83-57= 16+67= 31-11= 2+47= 47-5= 64-48= 65-46= 85-65= 98-70= 83
22、-20= 79-33= 21+13= 18+79= 2+47= 12+43= 93-44= 72-21= 21+48= 90-50= 83-12= 61+36= 44-41= 89-72= 78-71= 91-47= 42-19= 37+39= 6+78= 76-72= 36+54= 33+54= 99-15= 39-15= 38+62-21= 75-19-25= 100-38-21= 16+48-56= 52-48+14= 15-1-6= 57+14-29= 35+28-37= 53+42-33= 75-33-13= 44+47-38= 24+68-49= 78+13-16= 32+54-1
23、9= 62-20-17= 19+34+8= 35+40-49= 9+9+4= 97-68-3= 92-88+31= 96-5-39= 65-13-34= 3+81+11= 58+25-47= 8.18-8.21 用时： 39+1= 79-23= 81-73= 10+9= 7+76= 5+64= 66-52= 23+30= 47-23= 45+53= 59+27= 45+49= 56+13= 13+23= 55-32= 32+21= 91-87= 48+44= 48-3= 88-36= 68+32= 43-28= 58-3= 3+55= 65-34= 40+49= 85+4= 20+43= 25
24、-3= 66-60= 57-12= 40-17= 78-4= 25+10= 96-59= 70+19= 85-56= 28-25= 67-9= 58+17= 80-78= 40+48= 27+7= 64-13= 74-4= 51-8= 42+32= 84-7= 54-39= 75-55= 42+38= 70-21= 83-52= 15+7= 20+63= 37+56= 95-8-65= 85-25-16= 40+11+4= 54-45+7= 26+27-25= 20+54-31= 80+5+17= 81+12-38= 20+2-9= 90-12-42= 70-61+49= 77-25-19=
25、2-1+73= 6+9-13= 74-67+8= 80-70+43= 74-23-15= 70+19-37= 8+74-49= 31-6+23= 38-23+26= 91-17-8= 80-22-31= 1+68+19= 8.22-8.25 用时： 22-17= 82-24= 66+9= 12+63= 56+11= 48-26= 44+24= 75-73= 71-11= 84-22= 75-23= 52-30= 17+48= 90-32= 68+14= 72-61= 18+51= 62+10= 54-24= 59-12= 28+67= 28+9= 72-11= 71-54= 71-60= 90
26、-5= 62-55= 16+68= 86-17= 25+66= 54-43= 51-13= 66-45= 98-80= 5+5= 70-69= 49-34= 8+51= 7+83= 97+3= 66-50= 68-23= 52-46= 38-28= 41+15= 13+21= 54-45= 54+36= 23+16= 85+3= 58+24= 20+34= 36+13= 92-20= 75+6= 24+52= 92-31-14= 73-13+69= 82-28-39= 74-39+66= 55-47+26= 1+28-17= 79-59-11= 67-34-12= 58+39-25= 17+5
27、9-28= 12+80-33= 55-45+23= 13+68-36= 71+24-39= 45-21+22= 94-9-34= 66-28+47= 38+48-71= 81-59+44= 48+25-45= 9+68-58= 46-12+28= 66-50+55= 65-46+56= 8.26-8.28 用时： 55-45= 83-41= 49-40= 77-62= 77-15= 38-13= 4+34= 89+5= 55-38= 52-10= 56-47= 83-71= 86-43= 98-18= 23-19= 87+2= 54+23= 31+64= 22+76= 95-23= 94-67= 46+31= 24+8= 9+75= 23+24= 53+33= 5+95= 22+18= 24+26= 84-55= 52-7= 15+6= 44+12= 63-5= 29-18= 69+11= 10+17= 73-9= 47+44= 37-21= 50-18= 40+14= 49+7= 5+80= 29-14= 65+7= 77+17= 16+39= 85-33= 65+1= 71+12= 2+63= 6+84=
