(19)26
12×35
(20)32
25
×56512)×56
15=(25+)×
35=5
13=(30+=27
1?11?????
(21)10?25?3747???7878=8(23)
7=
175??35????517?(22)?=7
77121???9999=5(24)
(25)
3?5?1??20??=12
25?6?
554512(26)???=
5912912
(27)
33433
-×-×=0
88787
(28)63?
3737=37
6262
(29)
16267÷+÷=37376(30)
22930×(15×)=
312931
(32)
5282××=83159(32)25
3
×4=1034
(33)54×(
85-)=396
5?1?117
?????
(34)?121824?72=109(36)
3568??0.375?2?3?811113=051921??4??192525(36)7=1957(38)?53?1????
?68?48=58
(38)?115313?1???????126424?24
第11页共15页=7
(39)71125???95911
=511265?
(40)434?578??157?343=750
33
?8??8
8(41)8
=64(42)?555??111???????????7912??7912?=5
(43)535
33???44?24??0.6
353=6011
(44)6.8×+×3.2
55
(46)=2
(45)101×
425=1642555+×1588=10(47)881÷8=11515111)×=1888988(48)16266
×+×=37377
573858557=7(49)(90+(50)×+×
(51)
855101×+÷1516279=3(52)18×(+)=23
495622(53)×7+×5=8
33544412(55)(×+)÷
7777=714114(54)(-)×(24-)=1
1561251211(56)÷[(+)×]=3
5351337433
(57)3×+×3=3
81111881
(58)333×3=10003
(59)
5759???912125=
59(60)
2525???3456=1(62)(32×
15+17)÷412=60
(25+(62)
1311)÷+444=1034第12页共15页(63)
1897999×+×+
2516251616=854363?(??)=20
9217(64)
(65)
511316[?(?)?]?823423=0
(67)(21×
21341=+×21)×
(67)(99+
19)÷9=11
774(69)
144210715÷[(5+3)×11]=
105×6-9÷9=1(70)651052(73)45×47×54-112=14(74)4515÷[(8-52)÷8】=4(76)(4177235+4)÷3+10=20(78)(215+311)×15×11=67(80)46×
4445
=44
4445(82)
47×157
522×12=22(84)36×937=2837(86)
725×101-725=28
(88)59×34+5159×4=9
4109(69)(
56+45)×30=49(71)18×58+118×41+8=12.5(73)452345×6+5÷5=33×153–0.6×53=6(75)5(77)1131038×[2÷(5×9)]=32(79)37?14=33139392008×200620062007
=2006
2007(83)
910×139417+10×
17=9
10(85)
111113-13×132033=3387)45357?9?7?59=9(89)17×
9
16=9916第13页共15页(81)((91)44×37451=(1-)×37451=1×37-×37458=36(92)2004×672003672003=(2003+1)×=2003×=676767+1×200320036745(93)731115×8=(72+16115)×8=72×11618+15×8=9215(94)166120÷41=(164+41120)×41=164×141141+20×41=412014×39+3×25+263(95)44×13=34×13+34×25+3264×13=34×(13+25+2)=34×40=30(96)1423117×(23-4)+1512÷1721=211117×112+1512112×17=211117×(112+15112)=212003第14页共15页(97)2000÷200020002001=2000÷2000?2001?20002001=2000÷20012000?2002=200120021993?1994?1(98)1993?1992?1994=(1992?1)?1994?11993?1992?1994=1992?1994?19931993?1992?1994=1(99)3325×255+37.9×625=335×2525+(25225+12.5)×65=335×2525+2525×625+12.5×625=(3.6+6.4)×25.4+12.5×8×0.8=254+80=334(100)(922557+79)÷(7+9)=(65657+559)÷(7+9)=[65×(17+19)]÷[5×(117+9)]=65÷5=13第15页共15页