内容正文:
(21) (33)( (22)9×[0.5÷ (34)÷0.2× (35)已×已 (25)±÷6× (37) (26)×二÷ (38)36× (27 (28)卫×4÷2, (40) 11233 (41)28×2+28×三 (30)2:10× 175124 (31)×[÷(2×) (42)×2÷ 分数乘除法 85 14 (90 2521 (91)1:5.2 (101)19×27 92)±×25×40× 20 (102) 14÷28, (104)9÷ (94)28928 713771 (105)± (96)二×10×2 (106) (97)+× 分数乘除法 203 (20)8635 25 25 (36)24 1111 56 (22)×[0.5÷( 59 24 (24)B (38)36×(2+2 (32)二 15 36×336x8 5 14 4813 (40) 25 25 (27) 10 分数乘除法-9