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小数混合运算专项 练习 276 题(有答案)
(1) 0.11×1.8+8.2×0.11 (42) 0.25×3.2×1.25 (84) 6.48÷3.2÷2.5
(2) 2.34×99+2.34 (43) 9.99×1.01 (85) 1.2×7.6+7.6×6.8.
(3) 5.4÷2.7×0.8 (44) 4.63×1.4+46.3×0.86 (86) (9.4﹣5.8)×2.07
(4) 132×101 (45) 17.5÷0.8÷12.5 (87) 12.54﹣4.56﹣3.44﹣1.54
(5) 6.25÷1.25÷0.8 (46) 0.9+9.9+99.9+999.9. (88) (9.36×5+9.36+9.36×2)
(6) 2.5×16. (47) 2.9×99+2.9 ×1.25
(7) 6.33×101﹣6.33 (48) 25×11.2×4 (89) 7.236÷0.18﹣14.3×0.02.
(49) 23.25﹣6.75﹣3.25. (90) 9.6÷0.4×0.25
(8) 1.56×1.7+0.44×1.7 (50) 125×3.2×2.5 (91) 29.7÷(5.85÷0.65)
(9) 1.8×[(3.41﹣2.9)÷ (51) 3.6×10.1 (92) 7.4×9.9
0.03] (52) 5.8×2.7+0.58×73 (93) 3.84﹣2.7×0.64
(10) 0.125×32×2.5. (53) 3.6+6.4×1.8 (94) 8.68﹣8.68÷0.56×0.5
(11) 1.258×18.5﹣0.258× (54) (1.48+3.02)÷(3.6×0.5) (95) 4.7×4.7+4.7+4.3×4.7.
18.5 (96) 2.72÷[(8.2﹣6.5)×
(12) 8.48÷0.8×0.9 (55) (36.7﹣4.9)×101﹣31.8. 0.5];
(13) 1.25×2.4 (56) 6.33×101﹣6.33 (97) 9.12+9.12×9﹣60.2;
(14) 5.85÷(1.3+0.5)×6. (57) 35.6﹣5×1.73 (98) 28.4÷0.4÷0.25;
(15) 17.17﹣6.8﹣3.2﹣6.17 (58) 1.6×55.4﹣55.4×0.6 (99) 27.36﹣27.36÷7.6.
(59) 17.68÷5.2+2.7×1.5. (100) 3.25×0.45+6.75×0.45
(16) 5.4×[(1.3+2.15)÷0.2] (60) 1.08×0.8÷0.27 (101) 31.5﹣24.5÷3.5
(61) 102×0.45 (102) 7.5×102
(17) 8.4÷0.6+8.4÷0.4 (62) 22.78÷1.25÷0.8 (103) 6.3+3.7×2.8.
(18) 16.8×10.1 (63) 0.34×101﹣0.34.
(104) 2.15+8.73+1.27+7.85
(19) 10.9﹣0.9÷0.2+1.8 (64) 0.125×32×2.5 (105) 11.87﹣(8.2+1.87)
(20) 1.25×3.2×0.25. (65) 0.8×6.3﹣0.8×3.8 (106) 5.42﹣3.87﹣1.13
(21) 1.36+4.85+2.64+6.15 (66) 504÷3.2×2.08 (107) 4.38﹣1.56+0.62﹣0.44
(22) 98.5÷2.5÷4 (67) (20﹣0.8×9)×5.7 (108) 0.4×270×2.
(23) 5.4÷[2.5×(3.7﹣2.9)] (68) 2.4×1.5+3.6÷1.5 (109) (40+1.25)×8
(24) 0.8×(4﹣3.68)÷0.01 (69) 7.38﹣5.14+3.62﹣2.86 (110) (12.5﹣0.05)×8
(25) 83.7﹣12.83﹣0.17 (70) 0.12×1.8+8.2×0.12 (111) 2.6×8.5+8.5×7.4
(26) 5.96+13×(3.2﹣3.12) (71) 5.4÷[0.51÷(1.2﹣1.03)] (112) 9.9×6.9﹣6.9×3.9
(27) 4.32÷2.4×1.7; (72) [(8.1﹣5.6)×0.9﹣1.05] (113) 5.6×99+5.6
(28) 16.2×4.5+3.8×4.5; ÷0.04. (114) 2.5×(1.9+1.9+1.9+1.9)
(29) 9.05﹣3.86﹣3.14; (73) 10.8﹣0.8÷(0.35+0.05)
(30) 7.28+0.72÷0.9. (115) 7.2÷1.25÷8.
(74) 8×[1÷(2.3﹣2.25)] (116) 52.4﹣(15+0.6)÷1.6
(31) 4.32+5.43+6.68
(32) 17.17﹣6.8﹣3.2 (75) 2.64×9.9+0.264 (117) 9.87×99+9.87
(33) 5.29×9+5.29 (76) 4.52+0.61+1.39+6.48 (118) 46.8÷0.9÷0.4
(34) 16.8×10.1 (77) 4.27﹣(1.96﹣1.73) (119) 5.5×17.3+6.7×5.5.
(35) 2.74×9.5+5×0.274 (78) (294.4﹣19.2×6)÷ (120) 99×4.2+4.2
(36) 0.36+9.6÷3.2. (6+8) (121) 0.25×1.25×3.2
(37) 3.75×25+6.25×25 (79) 12.5×0.76×0.4×8× (122) 6.4×14+15×6.4+6.4
(38) 25.46﹣8.23﹣1.76 2.5. (123) (1.3+1.3×0.125×8)÷
(39) 2.9+7.1×10 (80) 4.98+8.02×2.5 (80﹣77.4)
(40) 1.25×32×0.25. (81) 60.8﹣40.8÷2.5 (124) 4×(25+2.5+0.25)÷111
(41) 15.68﹣(7.78﹣4.32)﹣ (82) 0.8×69.6×12.5
2.32 (83) 4.98×99+4.9
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