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1、69 + 69 X 99=(8 + 40 ) X 25=355+260+140+245 =102 X 99 2 X 125=645-180-245=382 X 101 -382=4 X 60 X 50=35 X 8+35 X 6=44 X 25=591 + 482 + 118=99 X 126=986+1999=473+79-63=267-45+74 =4600 - 25 - 4=136 X 101 -136=210 - 35 X 3 =999+99+9+3=6+7+8+102+103+104 =517-53-47=545-167-145=344-( 144+37 )=236- (177+36
2、 )=88 X 125 =25 X 9 X 4=8 X( 125 X 13 )(250 X 1 25 )X( 4 X 8)9四.72 X 125 =125 X 64 X 25=25 X 4 X 88 X 125=125 X( 40-4 )=76 X 103 25 X 44=42 X 25=99 X 9=99 X 78=45 X 37+37 X 55=28 X 21+28 X 79=五.17 X 23-23 X 7=38 X 46+64 X 38 =99 X 32+32=46+46 X 59=167 X 2+167 X 3+167 X 5=39 X 8+6 X 39-39 X 4=28 X 22
3、5-2 X 225=99 X 22+33 X 34=23 X 4+25 X 4=六.600 + 12 + 5 =420 + 35=2400 - 25=7800 - 125=127-98=672-36+64 =323+189-123=七.(6467-832)+ (1832-1467)=1530+(592-530 ) -192=960 X 46 - 48=1000 -( 125 + 4)=360099 X 83 =72 X 125 =86 X 102=48 X 23+48X 76+48 =八.56 X 78+22 X 56102 X 84=43 X 10仁102 X 36-72=85 - (65-
4、78 )=84000 - 8 - 125=32 X 25 X 125=136-(36-74 )=19 X 23-23 X 9=192 X 8+192 X 2=九.672-36-64=50 X 0 X 6=57 X 13= 114 X 6=2 X 380=1280 + 16 + 8=273-73-27=98+265+202=150 X 6=3200 - 4 - 25=17 X 23-23 X 7=十.300 X 30=70 X 140=25+75-25+75=99 X 38+38=40 X 18=120 X 6=5 X 99+5=2000 + 125 + 8=40 X 80=25 X 4=-一
5、.102+20=27 - 3 X 7=35 X 22=67+25+33+75=125 X 8=60+255+40=1250 - 25 - 5=45 X 12=800-138-162=25 X 24=十二.282+41+159=24 X 15=25 X 18 X 2=25 X 7 X 4=548+52+468=10 X 312=20 X 55=12 X 45 X 45=25 X (4+8)=十三.72 + 24=250 X 13 X 4=13+46+55+54+87=25 X 12=88 X 125=28 - 4 X 7=5+137+45+63+50=15 - 3 X 14=158+262+13
6、8=375+219+381+225=十四.5001 - 247 - 1021 - 232=378+44+114+242+222=(181+256 ) +2719=276+228+353+219=(375+1034)+(966+125)=(2130+783+270)+1017=99+999+9999=2214+638+286=7755 - (2187+755)=3065 - 738 - 1065=十五.899+344 =2365 - 1086 - 214=2357 - 183 - 317 - 357=112370+1995=497 - 299=3999+498=1883-398 =12 X 25
7、=(13 X 125) X (3 X 8)=十六.(12+24+80) X 50=704 X 25=25 X 32 X 125=88 X 125 =32 X (25+125)=102 X 76=58 X 98=75 X 99+2 X =725 X( 24+16 )=84 X 36+64 X 84=十七.178 X 99+178=83 X 102-83 X 2=123 X 18 - 123 X 3+85=(13 X 125) X (3 X 8)=(12+24+80)X 50=704 X 25=25 X 32 X 125=32 X (25+125)=88 X 125=13十八.102 X 76=5
8、8 X 98=75 X 99+2 X 7=25 X(24+16 )=84 X 36+64 X 84=178 X 99+178=83 X 102-83 X 2=123 X 18 - 123 X 3+85=(13 X 125) X (3 X = 8)(12+24+80) X 50=十九.600-60+ 15=20 X 4 + 20 X 4=736-35 X 20=25 X 4 + 25 X 4=98-18 X 5+25=56 X 8 + 56 X 8=280-80- 4=12 X 6 + 12 X 6=175-75- 25=25 X 8 + 25 X 8=二十.80-20 X 2+60=36 X
9、9 + 36 X 9=36-36+ 6-6=25 X 8 -( 25 X 8)=100+45-100+45 =48 X 99+仁15 X 97+3=5+95 X 28=100+1 -100+仁100-36+64=.1000+8-1000+8=672-36+64=102+1-102+1 =65+35 X 13=25+75-25+75=40+360 + 20-10=13+24X 8=324-68+32=125 X 6 X 8=二十二.980 + 28=828 + 36=123 X 6568 X 9=354 X 24=256 - 16=47X 210=307 X 46=54 X 312=83 X 4
10、03=19二十三.1598+ 9=126 X 89=294 + 29=203 X 32=312 X 25=689 + 34=618 + 88=372 - 45=234 X 46=613 X 48=二十四.320 X 25=7210+2865=437 X 28=432 - 46=444 - 76=4321 - 48=358 X 27=350 + 34=930 + 32=469 X 83=二十五.864* 36=980 * 28=828 * 36=694 * 17=5981 * 26=609 * 87=450 * 25=289 * 44=32000 * 700=二十六.25 X 29=157 *
11、25=673 X 12=117 * 25=3842 * 34=56 X 11 =19.95+132.47=117 + 36=325 + 12=5 X 491 =二十七.125+25 X 6=120 - 60 - 5 X 5=1024 - 16 X 3 =(135 + 415) + 5+16=164-13 X 5+85=330 + (65 - 50)=95 + (64-45)=64 X (12 + 65 - 13)=(315 X 40 - 364) + 7=128 - 6 X 8 + 16=二十八.(2010 - 906) X (65+15)=(20 + 120 + 24) X 8=40 X 2
12、0-200=25(845 15 X 3) + 16 =178-145- 5 X 6+42=(40 4) X 25 =106 X 9 76 X 9=二十九.4,15 X 7+85 X 7 =540 (148+47)- 13 =(308 308 + 28) X 1仁19 X 96 962 - 74=21 X (230 192)=19 X 96 962 - 74=10000 (59 + 66) X 64 =920-1680- 40 - 7 =(315 X 40 364) + 7=690+47 X 52-398=三十.735 X (700 - 400 + 25)=1520 - (1070 + 28 X
13、 2)=9405-2940- 28 X 21 =45+240 - 12=25 X (24+16)=51+(2304-2042) 23=X(247+18) X 27 - 25=148+3328- 64-75=360 X 24 - 32+730 =2100-94+48X 54 =.36-720 (360勻8)=1080 + (63-54) X 80 =(528+912) X 5-6178=(10 + 120 - 24) X 5=280 + 10 + 789=37 (7+6) 30= X(947 - 599) + 7 X 64=36 X (15 - 276 + 23)=(93 + 25 X 21)
14、X 9 =#(39 - 21) X (396 + 6)=三十三.384+ 12 + 3 X 31 =16 X (17-8) 3+ =28 X (5+96 + 32)=81 + (72-54) 9= X57 X 12 - 560 - 35=(140-70) 54=X178 X 99+178 =848 - 640 - 16 X 12960 + (1500 - 32 X 45)32 X (25+125)三十四.125 X 6=335 X 26=165 X 24=256 X 31 =47 X 210=54 X 312=192 - (54 + 38) X 6(12+24+80)X 50=(140-70)
15、 54= X63+84 X 2 - 42三十五.490-7+24 X 5=15 X 7+85 X 7 =(46-20) X 30-90 =25 X 27 X 4=108 - (83 + 360 + 60)=2400 - 80 - 14 X 2=306 X 12=260 X 15=689 + 24=303 X 46=39三十六.65 X 224=618 +88=112 X 52=335 X 24=167 X 48=336 X 25=125 X 45=336 X 25=(40 - 4) X 25=75 X 4 X 25=290 - (34X 3+99)=三十七.(420 + 48) + (375
16、- 345)=142 - 54 - 9+14=99 X 53+53=16 X 76 - 76 X 6 =420 + (205198) X 4 =125 X 65=256 X 81 =36 X 125=116 X 58=X 25 =125 X 34 =37 X 48191 X 214=215 X 34=205 X 32=31 X 206 =18 + 3)=450 - 2 X (16 + 9)=-(45+39)=125 X (8X 4) X 5=(46-20) X 30-90=14 X 2 =41 X 25-25 =(960 - 400)-70=26 X 6-110=三十八.331336 X 25
17、=460 + (29 -三十九.2452400 +80108 - (83 + 360 + 60)=(420 + 48) + (375 - 345)325 X 68=四十.336 X 2仁245 X 31 =31 X 206=21 X126=302 X 12=(140-70) 54= X63+84 X 2 - 42 =490 - 7+24 X 5 =117 - 13 + 37 X (65+35)=(58+37)+ (64-9 X 5)=135 X 24=四-一 .325 X 41 =12 X 321 =31 X 208 =21 X 114=17 X184=290 - (34 X 3+99)=14
18、2 - 54 - 9+14=16 X 76 - 76 X 6 =99 X 53+53=450 - 2 X (16 + 9)=四十二.51 X 214=61 X135=24 X 158=33 X 204=33 X 264=16 X 109=210 X 21 =720 +30=119 X 24=325 X 29=180 + 30=66 X 125=四十三.125 X (8 X 4)X 5=41 X 25-25=420 - (205 - 198) X 4=460 + (29 - 18 + 3)=63+84 X 2 - 42=360 +30=920 - 40=780 + 60=432 - 24=625
19、 +23=四十四.(960 - 400) + 70=45+240 - 12 =123 X 18 - 123 X 3+85 X 123 =124+78+22 =100-35-25=490 - 7+24 X 5=26 X 6-110 =15 X 7+85 X 7 =(420 + 48) + (375 - 345)=(46-20) 30 X -90 =四十五.850+ 17=780 + 26=960 + 40=544 - 17=898 + 28=420 +30=920 +23=80 + 20=690 +30=750 +50=四十六.840 + 60=520 + 40=290 - (34 X 3+99
20、)=99 X 53+53=(40 - 4) X 25=2400 - 80 - 14 X 2=108 - (83 + 360 + 60)=840 - 24=704 - 44=480 + 32=四十七.672+ 2仁754 - 58=897 +39=142 - 54 - 9+14 =16 X 76 - 76 X 6=450 - 2 X (16 + 9)=245 - (45+39)=325 + 13 X (266-250)=624 + 26=173 - 17=四十八.576 + 18=825 + 32=336 + 63=383 +25=41 X 25-25 =420 - (205 - 198) X 4=460 + (29 - 18 + 3)=(960 - 400) + 70 =43+315 + 5=426-279- 3 =四十九.98-19 X 4+62 =51+121 X 7=84 X 3-136(32+28) X 6=135 X 5=108 X 6=8 X 312 =7 X 210=138 X 9=82 X 403 =858 +39=918126 X 89=203 X 32=312 X 25=(220-180) 8 +55+720 + (40-35)36 X (28 + 7+23)41340-240- 20 X 5=25