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1、简便计算(1)0.1259.380 (2)8.80.60.32 (3)4.83.63.83.6 (4)7.09997.09(5)10875 (6)10183 (7)9983 (8)775725(9)88272712 (10)87538747 (11)150454550 (12)15.89(5.89+6.98) (13)4.9+12.875.38 (14)75.610.89.2(15)127+352+73+44 (16)89+276+135+33 (17)107399361 (18)21821655345(19)761258 (20)25(49) (21)8(12550) (22)3600606
2、 (23)12797397327 (24) 985310332 (25)25+71+75+29 +88 (26)243+89+111+57 (27)165+204+335+96 (28)(165+335)+(204+96) (29)78+53+47+22 (30)(53+47)+(78+22)(31)36+18+64 (32)(36+64)+18(33)98+265+202 (34) 77+175+223+125 (35)96+266+204 (36)355+260+140+245(37)234+130+270+366 (38)1034+78+320+102 (39)250134 (40)43
3、45 (41)40335 (42)88125 (43)72125 (44)12556 (45)1253225 (46)2512564 (47)2536 (48)25(200+4) (49)25(4+8) (50) 25(4+10)(51)125(8+4) (52)125(80+8) (53)8(125+25) (54)16667+3467 (55)6719+6781 (56)7854+4678(57)282+2870+2828 (58)5738+3843 (59)5715+23+15 (60)(125-40)8 (61)8(125-25 (62)40(257) (63)125(808) (64
4、)25(404) (65)50(2005) (66)591868659(67) 1723237 (68)1846846 (69)175565670565 (70)358+35335 (71)599+5 (72)9938+38 (73)99162+162 (74)3699+36(75)12399+123 (76)8899+88 (77)136101136 (78)9910199 (79)782101782 (80)762101762(81)163101163 (82)870101870 (83)9899 (84)16399 (85)27699 (86)7999 (87)16098 (88)19097(89)38498254 (90)724+2624+724 (91) 984687(36060) (92)508345(15261521)(93)794198 (94)6825 (95)6756193207 (96)72125 (97)9736033601 (98)64101 (99)25125408 (100)73188373第 8 页 共 8 页