小数四则混合运算140题.docx
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小数四则混合运算140题
五年级上小数四则运算及简便运算
12.3X4X0.25
12.96—(9.6—1.52)
85X10.1
1.2-0.25+1.3X4
103X0.25
(4.8+6.4)-8
35-125
40.5-0.81X1.05
34.5X0.03+34.5X0.97
(203.4+72.2)-(1.3X0.2)
8X4.3X12.5
97.5-0.39—136.7
2.5X102
86.4-0.24X0.25
4.2-28
11.16-(10—0.7)
(9.6+3.2)-0.8
(300—94.8)-0.5
0.125X16
12.6-[3.5—(9.8—8.7)]
3.2X5.6—11.4
0.648-[(0.4+0.5)X0.6]
5.74X99+5.74
8.9X1.1X4.7
4.75+3.25X2.4+7.6
2.7X5.4X3.9
3.8X1.4+18.2-0.7
3.6X9.85-5.46
4.8X0.25
8.05X3.4+7.6
4.7X10.2
6.58X4.5X0.9
7.63X99+7.63
2.8X0.5+1.58
6.73+2.56+1.44+3.27
8X5.2+3.8X3.8+3.8
2.37X2.5X4
(6.7+6.7+6.7+6.7)X2.5
1.5X102
9.8X25X4
2400-16-0.5
32X0.25X0.125
2.8X3.2+3.2X7.2
7.4—0.15X2.8
3.76X0.25—0.49
0.008+0.92X5—1.28
0.25X4.78X4
7.8-(1.3X4)
0.65X201
7.2X0.9+0.01X7.2
1.2X2.5+0.8X2.5
8.6X10.1
2.5X7.1X4
5.6X(12.5—8.5-0.85)
16.12X99+16.12
[(8.1—5.6)X0.9—1]X0.4
5.2X0.9+0.9
8.25X4.08+0.75X4.08+4.08
4.3X50X0.2
4.32+5.43+6.68
64-2.64X0.5
15.17—6.8—3.2
26X15.7+15.7X24
12.75—(2.75+6.8)
(2.275+0.625)X0.28
1.27+3.9+0.73+16.1
3.94+34.3X0.2
12.8—4.9—5.1
1.2X(9.6-2.4)-4.8
6.75—(0.9+3.75)
8.9X1.1X4.7
1.34+1.8+3.66+0.2
2.7X5.4X3.9
0.96—0.28+0.04—0.72
3.6X9.85-5.46
12.78-(4.97+2.78)
8.05X3.4+7.6
31.7—0.5X0.7—1.65
6.58X4.5X0.9
35.72-4.9-(5.72+5.1)
2.8X0.5+1.58
111—3.67X2.8—3.67X7.2
32+4.9—0.9
12.5X6.3+27X1.25+0.125-0.01
4.8—4.8X0.5
3.1+25.78+6.9
(1.25—0.125)X8
15.25+4.72+4.75+5.28
4.8X100.1
34.82—(4.82+15.2)
56.5X99+56.5
7.28+0.94+2.72+0.06
7.09X10.8—0.8X7.09
7.84+0.73—0.84
4.85+0.35-1.4
6.3X99+6.3
8.7X17.4-8.7X7.4
15.7—4.3—5.7
12.5X0.4X2.5X8
1.6+0.4—1.6+0.4
0.87X3.16+4.64
62.8-2.5-0.4
9.5X101
7.3X99
0.68-(5.2-3.5)X1.25
(1.25+2.5)X8
40.5-0.81X0.18
9.42X10—94.2X0.9
4.8X(15-2.4)
1.8X2.48+1.52X1.8-0.5
2.13.X0.X8257
8.76+0.4X3.6X2.5+1.24
6.81+6.81X99
6.5X(10-3.7)+2.98
0.25X185X40
:
4.75+8.4-(9.2-6.8)]X40
4.4X0.8—3.4X0.8
19.8-0.6X0.6-0.64
(9.37+9.37+9.37+9.37)X2.5
0.125X7.9X16
4.2.XI.+1.X1.75
2.48X(7.3-5.8)+1.5X7.52
2.37X6.3+2.37X3.7
12.773
:
4.5X(0.75-0.356)+9.23]
2.5X1.25X0.32
(6.4+0.88)-0.8+3.2X1.25
3.8X10.1
24-:
5.4+(0.63+1.29-0.23)]
2.5X(3.8X0.04)
2.18+4.65+7.82+5.35+12.5
7.69X101
15.84-2.17-3.83
3.8X10.1
(25+2.5+0.25)X4
0.25X39+0.25
(35.2X45.6+45.6X63.8+45.6
0.125X72
12.25—3.1+0.85—6.17
46X0.33+54X0.33
((1.9—1.9X0.9)-(3.8—2.8)