小数四则混合运算专项练习题能简便的要简便Word格式文档下载.docx
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小数四则混合运算专项练习题能简便的要简便Word格式文档下载.docx
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1.8X[(3.41-2.9)-0.03]
(21)
1.36+4.85+2.64+6.15
(10)
0.125X32X2.5.
(22)
98.5-2.5-4
(11)
1.258X18.5-0.258X18.5
(23)
5.4-[2.5X(3.7-2.9)]
(12)
8.48-0.8X0.9
(24)
0.8X(4-3.68)-0.01
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
83.7-12.83-0.17
(38)
25.46-8.23-1.76
5.96+13X(3.2-3.12)
(39)
2.9+7.1X10
4.32-2.4X1.7;
(40)
1.25X32X0.25.
16.2X4.5+3.8X4.5;
(41)
15.68-(7.78-4.32)-2.32
9.05-3.86-3.14;
(42)
0.25X3.2X1.25
7.28+0.72-0.9
(43)
9.99X1.01
4.32+5.43+6.68
(44)
4.63X1.4+46.3X0.86
17.17-6.8-3.2
(45)
17.5-0.8-12.5
5.29X9+5.29
(46)
0.9+9.9+99.9+999.9.
16.8X10.1
(47)
2.9X99+2.9
2.74X9.5+5X0.274
(48)
25X11.2X4
0.36+9.6-3.2.
(49)
23.25-6.75-3.25.
3.75X25+6.25X25
(50)
125X3.2X2.5
(51)
(52)
(53)
(54)
(55)
(56)
(57)
(58)
(59)
(60)
(61)
(62)
(63)
3.6X10.1
(64)
0.125X32X2.5
5.8X2.7+0.58X73
(65)
0.8X6.3-0.8X3.8
3.6+6.4X1.8
(66)
504-3.2X2.08
(1.48+3.02)-(3.6X0.5)
(67)
(20-0.8X9)X5.7
(36.7-4.9)X101-31.8.
(68)
2.4X1.5+3.6-1.5
6.33X101-6.33
(69)
7.38-5.14+3.62-2.86
35.6-5X1.73
(70)
0.12X1.8+8.2X0.12
1.6X55.4-55.4X0.6
(71)
5.4-[0.51-(1.2-1.03)]
17.68-5.2+2.7X1.5.
(72)
[(8.1-5.6)X0.9-1.05]-0.04
1.08X0.8-0.27
(73)
10.8-0.8-(0.35+0.05)
102X0.45
(74)
8X[1-(2.3-2.25)]
22.78-1.25-0.8
(75)
2.64X9.9+0.264
0.34X101-0.34.
(76)
4.52+0.61+1.39+6.48
4.27-(1.96-1.73)
(90)
9.6-0.4X0.25
(294.4-19.2X6)-(6+8)
(91)
29.7-(5.85-0.65)
12.5X0.76X0.4X8X2.5.
(92)
7.4X9.9
4.98+8.02X2.5
(93)
3.84-2.7X0.64
60.8-40.8-2.5
(94)
8.68-8.68-0.56X0.5
0.8X69.6X12.5
(95)
4.7X4.7+4.7+4.3X4.7.
4.98X99+4.9
(96)
2.72-[(8.2-6.5)X0.5];
6.48-3.2-2.5
(97)
9.12+9.12X9-60.2;
1.2X7.6+7.6X6.8.
(98)
28.4-0.4-0.25;
(9.4-5.8)X2.07
(99)
27.36-27.36-7.6.
12.54-4.56-3.44-1.54
(100)
3.25X0.45+6.75X0.45
(9.36X5+9.36+9.36X2)X1.25
(101)
31.5-24.5-3.5
7.236-0.18-14.3X0.02.
(102)
7.5X102
(77)
(78)
(79)
(80)
(81)
(82)
(83)
(84)
(85)
(86)
(87)
(88)
(89)
(103)
6.3+3.7X2.8.
(116)
52.4-(15+0.6)-1.6
(104)
2.15+8.73+1.27+7.85
(117)
9.87X99+9.87
(105)
11.87-(8.2+1.87)
(118)
46.8-0.9-0.4
(106)
5.42-3.87-1.13
(119)
5.5X17.3+6.7X5.5.
(107)
4.38-1.56+0.62-0.44
(120)
99X4.2+4.2
(108)
0.4X270X2.
(121)
0.25X1.25X3.2
(109)
(40+1.25)X8
(122)
6.4X14+15X6.4+6.4
(110)
(12.5-0.05)X8
(123)
(1.3+1.3X0.125X8)-(80-77.4)
(111)
2.6X8.5+8.5X7.4
(124)
4X(25+2.5+0.25)-111
(112)
9.9X6.9-6.9X3.9
(125)
6.25-〔(17.2-3.6X4.5)-0.32〕
(113)
5.6X99+5.6
(126)
28.4X99+28.4
(114)
2.5X(1.9+1.9+1.9+1.9)
(127)
0.94X2.5-0.45
(115)
7.2-1.25-8.
(128)
4X0.8X12.5X2.5
17.5-0.25X17+13.
(142)2.4X1.5+3.6-1.5
10.1X87
2.3+3.19-(22-19.8)
1.25X7.2.
9.1-1.2-6-6.24
7.3+12.8-3.8X2.3
(5.36+7.64)-13X100
(143)0.32X0.25+0.08-4
(144)(9.6+1.48-3.7)-8
(145)5.8-[4X(1.34-0.14)]
(146)5.4-[0.51-(1.2-1.03)].
(147)21.35-3.25-16.75
(148)33.02-(148.4-90.85)-2.5
(129)
(130)
(131)
(132)
(133)
(134)
(135)
(136)
(137)
(138)
(139)
(140)
(141)
(149)32X2.5X0.125
7.575-[(5.63-1.88)X0.2].
7.5-(5.5+1.24)
(150)18.1+(3-0.299-0.23)X1.
0.26+15.68+9.74+2.32
(151)67-(2.98+0.67)
13.26+9.55-3.26
(152)8X16-73.8X6
6.1+3.9-6.1+3.9.
(153)(45+14)-73+710.
31.7-0.63(保留2位小数)
(154)13.7X0.125X8
(155)
0.8X[13-(3.12+5.28)]
(168)
18-[0.3X(8-6.5)]
(156)
102X0.56
(169)
12.7+12.5+0.5.
(157)
1.53X1.7+0.47X1.7.
(170)
91-2.6-0.05=
(158)
5.18+0.73+0.82
(171)
6.3X3.7+6.3X6.3=
(159)
0.75X1.8-1.5
(172)
(3.7+1.7X0.4)-2.5=
(160)
12.5X7.1X0.8
(173)
7.28+3.2-2.5=
(161)
6.12X99+6.12
(174)
0.74+0.9X7.4=
(162)
8.6-0.86+8X0.35
(175)
7.8-0.125-0.8=
(163)
5.6X(18.5-8.5-0.5)
(176)
37.5-[0.3X(1.34-0.84)]
(164)
0.125X4.78X80
(177)
(2.5+27.75-1.5)X1.6.
(165)
2.8X3.6+1.4X2.8
(178)
6.21-3.8+2.2
(166)
(0.4+40)X2.5
(179)
6.03+3.7+2.97
(167)
78.7-17.7X3.6
(180)
17.43-6.57-2.43
(181)
20.47-(1.47+6.8)
(193)
7.75X[20-(3.24-3.04)]
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