简便计算 (1)0.8×33×1.25 (2)1718 × 910 +1718 ÷10 (3)9.56+4.875-78 +1.44 (4)34 ÷6-16 ×14 (5)4.6×138 +8.4÷ 811 -138 ×5 (7)4÷123 +6×35 (15)15.6-227 -457 (8)1835 ×1920 +225 ×1920 -1920 (9)2225 ×80× 813 ×1.25 (10)25×1.25×4×8 (11)0.7+3.9+4.3+6.1 (12)7.35×99+7.35 (13)47-8÷17- 917 (14)46×101 (16) 0.125×0.25×64 (17)14×214 +14×334 (18)34 ÷ 611 + 317 +58 (19)89 × 715 + 815 ÷98 +89 (20)3-59 × 720 -1136 (21)76 - 715 - 815 (22)457 -313 +127 -223 (23)57 ×43 +27 ×43 (24)149 ÷75﹪-59 ÷34 (25)(38 +56 - 712 )×24 (26)205×32-656 (27)87 ×21 +0.125×21 +0.5 (28)14 ÷52 ×(14 +16 ) (29)435 -114 -1.75+0.4 (30)4.25-365 -(261 -143 ) (31)12.1-(1 51 +2 11 )×105 (32)(13 -15 )×45 (33)2-[16 +(34 -712 )] (34)0.3÷[1÷(3.3-2.95)] (35)3.8÷3.9+3.9÷0.1+0.1÷3.9 (36)(56 -13 )×(58 ÷14 ) (37)[(23 -14 )÷56 +45 ]× 511 (38)(25 -17 )×35×19 (39)24×(14 +16 -13 ) (40)15.6÷[32×(1-58 )÷3.6] (41)89 ×[78 -(716 -18 )] (42)310 ×(12 +13 )÷18 (43)8.6÷4.3×25 (44)67 ×(512 -0.25)÷58 (45)[3.6-(4.7+2.3)×37 ]÷1.2 (46)23 +(12 +23 )×27 (47)518 ÷174 +29 (48)[0.25×4-(56 + 112 )]×56 (49)(15 +18 )×160× 113 (50)58 ×1110 +38 ÷1011 (51)920 ÷[12 ×(25 +45 )] (52)60×(512 + 415 -12 ) (53)(815 + 920 ×23 )÷ 112 (54)6.4÷45 +1.25×335 (55)720 ×1125 +1425 × 720 (56)75 ×[280÷(7.28+6.72)] (57)15-(713 ÷2+5) (58)12×(13 -14 ) (59)(9-10×45 )÷34 (60)(10- 512 ÷16 )×13 (61)49 ×[34 -(716 -14 )] (62)25.125―135 ―17.4 (63)0.38×7-1950 +4×1950 (64)611 ×17-12× 311 (65)18 ×[12 ÷(35 ×109 ...