小数四则混合运算专项练习题有答案

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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

(2) 2.34×99+2.34

(3) 5.4÷2.7×0.8

(4) 132×101

(5) 6.25÷1.25÷0.8

(6) 2.5×16.

(7) 6.33×101﹣6.33

(8) 1.56×1.7+0.44×1.7

(9) 1.8×[(3.41﹣2.9)

÷0.03]

(10) 0.125×32×2.5.

(11) 1.258×18.5﹣0.258

×18.5

(12) 8.48÷0.8×0.9 (13) 1.25×2.4

(14) 5.85÷(1.3+0.5)×6.

(15) 17.17﹣6.8﹣3.2﹣

6.17

(16) 5.4×[(1.3+2.15)÷

0.2]

(17) 8.4÷0.6+8.4÷0.4

(18) 16.8×10.1

(19) 10.9﹣0.9÷0.2+1.8

(20) 1.25×3.2×0.25.

(21) 1.36+4.85+2.64+6.15

(22) 98.5÷2.5÷4

(23) 5.4÷[2.5×(3.7﹣

2.9)]

(24) 0.8×(4﹣3.68)÷

0.01

(25) 83.7﹣12.83﹣0.17

(26) 5.96+13×(3.2﹣

3.12)

(27) 4.32÷2.4×1.7;

(28) 16.2×4.5+3.8×4.5;

(29) 9.05﹣3.86﹣3.14;

(30) 7.28+0.72÷0.9.

(31) 4.32+5.43+6.68

(32) 17.17﹣6.8﹣3.2

(33) 5.29×9+5.29 (34) 16.8×10.1 (35) 2.74×9.5+5×0.274

(36) 0.36+9.6÷3.2.

(37) 3.75×25+6.25×25 (38) 25.46﹣8.23﹣1.76 (39) 2.9+7.1×10

(40) 1.25×32×0.25.(41) 15.68﹣(7.78﹣4.32)﹣2.32

(42) 0.25×3.2×1.25 (43) 9.99×1.01

(44) 4.63×1.4+46.3×

0.86

(45) 17.5÷0.8÷12.5 (46) 0.9+9.9+99.9+999.9.(47) 2.9×99+2.9

(48) 25×11.2×4

(49) 23.25﹣6.75﹣3.25.(50) 125×3.2×2.5

(51) 3.6×10.1

(52) 5.8×2.7+0.58×73(53) 3.6+6.4×1.8

(54)(1.48+3.02)÷(3.6

×0.5)

(55)(36.7﹣4.9)×101﹣

31.8.

(56) 6.33×101﹣6.33

(57) 35.6﹣5×1.73

(58) 1.6×55.4﹣55.4×

0.6

(59) 17.68÷5.2+2.7×

1.5.

(60) 1.08×0.8÷0.27

(61) 102×0.45

(62) 22.78÷1.25÷0.8

(63) 0.34×101﹣0.34.

(64) 0.125×32×2.5

(65) 0.8×6.3﹣0.8×3.8

(66) 504÷3.2×2.08

(67)(20﹣0.8×9)×5.7

(68) 2.4×1.5+3.6÷1.5

(69) 7.38﹣5.14+3.62﹣

2.86

(70) 0.12×1.8+8.2×0.12

(71) 5.4÷[0.51÷(1.2﹣

1.03)]

(72) [(8.1﹣5.6)×0.9﹣

1.05]÷0.04.

(73) 10.8﹣0.8÷

(0.35+0.05)

(74) 8×[1÷(2.3﹣2.25)]

(75) 2.64×9.9+0.264

(76) 4.52+0.61+1.39+6.48

(77) 4.27﹣(1.96﹣1.73)

(78)(294.4﹣19.2×6)÷

(6+8)

(79) 12.5×0.76×0.4×8×2.5.

(80) 4.98+8.02×2.5 (81) 60.8﹣40.8÷2.5 (82) 0.8×69.6×12.5(83) 4.98×99+4.9

(84) 6.48÷3.2÷2.5 (85) 1.2×7.6+7.6×6.8.(86)(9.4﹣5.8)×2.07

(87) 12.54﹣4.56﹣3.44﹣

1.54

(88)(9.36×5+9.36+9.36×2)×1.25

(89) 7.236÷0.18﹣14.3×

0.02.

(90) 9.6÷0.4×0.25 (91) 29.7÷(5.85÷0.65)(92) 7.4×9.9 (93) 3.84﹣2.7×0.64

(94) 8.68﹣8.68÷0.56×

0.5

(95) 4.7×4.7+4.7+4.3×

4.7.

(96) 2.72÷[(8.2﹣6.5)

×0.5];

(97) 9.12+9.12×9﹣60.2;

(98) 28.4÷0.4÷0.25;

(99) 27.36﹣27.36÷7.6.

(100) 3.25×0.45+6.75

×0.45

(101)31.5﹣24.5÷3.5

(102)7.5×102

(103) 6.3+3.7×2.8.

(104) 2.15+8.73+1.27+7

.85

(105)11.87﹣

(8.2+1.87)

(106) 5.42﹣3.87﹣1.13

(107) 4.38﹣1.56+0.62

﹣0.44

(108)0.4×270×2.

(109)(40+1.25)×8

(110)(12.5﹣0.05)×8

(111) 2.6×8.5+8.5×

7.4

(112)9.9×6.9﹣6.9×

3.9

(113) 5.6×99+5.6

(114) 2.5×

(1.9+1.9+1.9+1.9)

(115)7.2÷1.25÷8.

(116)52.4﹣(15+0.6)

÷1.6