(5) 6.25 - 1.25 - 0.8
能简算的要简算呦，加油，你是最棒的！
小数混合运算专项练习276题（有答案）
(1) 0.11 X 1.8+8.2 X 0.11 (9) 1.8 X [ (3.41 - 2.9 )- 0.03]
(2) 2.34 X 99+2.34 (10) 0.125 X 32 X 2.5 .
(3) 5.4 - 2.7 X 0.8 (11) 1.258 X 18.5 - 0.258 X 18.5
(4) 132X 101 (12) 8.48 - 0.8 X 0.9
(6) 2.5 X 16.(14) 5.85 -( 1.3+0.5 )X 6.
(7) 6.33 X 101 - 6.33 (15) 17.17 - 6.8 - 3.2 - 6.17
(8) 1.56 X 1.7+0.44 X 1.7 (16) 5.4 X [ (1.3+2.15 )- 0.2]
(13) 1.25 X 2.4
(17)8.4 - 0.6+8.4 - 0.4 (25) 83.7 - 12.83 - 0.17
(26) 5.96+13 X( 3.2 - 3.12 ) (18)16.8 X
10.1
(19)10.9 - 0.9 - 0.2+1.8 (27) 4.32 - 2.4 X 1.7 ;
(20) 1.25 X 3.2 X 0.25 .(28) 16.2 X 4.5+3.8 X 4.5 ;
(21) 1.36+4.85+2.64+6.15 (29) 9.05 - 3.86 - 3.14 ;
(22)98.5 - 2.5 - 4 (30) 7.28+0.72 - 0.9
(23) 5.4 - [2.5 X( 3.7 - 2.9 )] (31) 4.32+5.43+6.68
(24)0.8 X( 4 - 3.68 )- 0.01 (32) 17.17 - 6.8 - 3.2
(33) 5.29X 9+5.29 (41) 15.68-( 7.78 - 4.32)- 2.32
(34) 16.8X 10.1 (42) 0.25 X 3.2X 1.25
(35) 2.74X 9.5+5 X 0.274 (44)
4.63 X 1.4+46.3 X 0.86
(37)
3.75X 25+6.25 X 25
(45)
17.5 - 0.8- 12.5
(38)
25.46 - 8.23 - 1.76
(46)
0.9+9.9+99.9+999.9 .
(39)
2.9+7.1 X 10 (40) 1.25X 32 X 0.25.(43) 9.99 X 1.01
(36)
0.36+9.6 - 3.2.
(47) 2.9X 99+2.9
(48) 25X 11.2X 4
(57) 35.6 - 5X 1.73 (49) 23.25 —6.75 -
3.25.
(50) 125X 3.2X 2.5 (58) 1.6X 55.4- 55.4X 0.6
(51) 3.6X 10.1 (59)17.68-5.2+2.7 X 1.5 .
(52) 5.8X 2.7+0.58 X 73 (60) 1.08 X 0.8 - 0.27
(53) 3.6+6.4 X 1.8 (61)102X 0.45
(54) (1.48+3.02)-( 3.6X 0.5)(62)22.78 - 1.25 - 0.8
(55) (36.7 - 4.9)X 101 - 31.8.(63)0.34 X 101 - 0.34 .
(56) 6.33X 101 - 6.33 (64)0.125X 32 X 2.5
(72) [(8.1 - 5.6)X 0.9 - 1.05] - 0.04. (80) 4.98+8.02 X 2.5
0.8X 6.3 - 0.8X 3.8 (73) 10.8 - 0.8-( 0.35+0.05)
504- 3.2 X 2.08 (74) 8X [1 -( 2.3 - 2.25)]
(20 - 0.8X 9)X 5.7 (75) 2.64 X 9.9+0.264
2.4X 1.5+
3.6 - 1.5 (76)
4.52+0.61+1.39+6.48
(65)
(66)
(67)
(68) (69) 7.38 - 5.14+3.62 - 2.86 (77) 4.27 -( 1.96 - 1.73 )
(70) 0.12X 1.8+8.2 X 0.12 (78) (294.4 - 19.2 X 6)-( 6+8)
(71) 5.4- [0.51 -( 1.2 - 1.03)] (79) 12.5 X 0.76 X 0.4 X 8 X 2.5 .
60.8 - 40.8-2.5 (89) 7.236-0.18 - 14.3X 0.02
0.8X 69.6 X 12.5 (90) 9.6-0.4 X 0.25
4.98X 99+4.9 (91) 29.7 -(
5.85 - 0.65)
6.48-3.2 - 2.5 (92)
7.4 X 9.9
1.2X 7.6+7.6 X 6.8 . (93) 3.84 -
2.7X 0.64
(9.4 - 5.8)X 2.07 (94) 8.68 - 8.68- 0.56X 0.5
(81)
(82)
(83)
(84)
(85)
(86)
