五年级数学上册小数递等式计算
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400 *4+20 X5 0.138 X6.4 *0.12 2.37 X6.3+2.37 X3.7
63)10.1 6) 3.9) 1.25 2.02)(1.027*0.26) 1.25 ) 11 ) 4) 0.8
35.72*0.047*0.32 2.5) 1.25) 0.32 90*25*4
10+12 *3+20 1*).25 X(1.28 *3.2) 0.65 X101 —
0.65
70+(100-10 X5) 4.87 X2.34+48.7 X0.266 (80 *20+80) *4
0.25 X3.2
X4 4.4 X25 2.64 *5*0.2 3.8 1)0.1
37.8—16.4—13.6 6.25 *).25 X0.6 81.25 06 )9.3
1.8＋0.2—1.8＋0.2 68.04 * (0.21 ) 3.6) 15 ) 3.6+4.83
93*0.31 *3 0.486 ＋0.01 *3.99 98.42 )2.583.7
2.5) 7.5+2.5 ) 2.5 19.75 —6.45—
3.55 700 ) 0.34 )2.9 36 *(97.28 -0.32) 28 X45 + 30 X13 4.57+3.17+3.43+5.83
489 X101 — 489 33 X1.03 489 X101-489 2.5 X(3.8 X0.04)
(6.8 — 5.4) X2.75 — 0.9 8X25 X1.25 X16 0.25 X39+0.25
0.25 X27 X4 45.55- (6.82 ＋15．55) 0.125 X72
45 X36 + 64 X45 3.2X99＋3.2 46X0.33+54 X0.33
1.25 X320X25 4.8X39＋61X4.8 9.5X99
0.96X25 9.9X999＋9.9 34.52-17.87-12.23 (8X5.27) X1.25
1.08X125 8X25X1.25X16 2.5X56+4.5 X65 6.81+6.81 X99 (3.2+0.8) *0.8 5.6 X9 + 56 (85 + 40) X(20- 5)
3.25-0.84-1.16 0.98 X54 2.5 X1.25 X0.32 4.4 X0.8 — 3.4 X0.8 1.25 X5 X0.16 5.4 X102 2.881 乂.43-0.24 X3.5
6-1.6 -4 0.235 X0.15 X16 9.5 X101
7.69 X101 3.2 X(1.5+2.5 ) -1.6 4.05 X4600
X7.4
(31.8+3.2 X4) -5 6.5 X(4.8-1.2 X4) 1.46 X6.35 X0.7
31.5 X4-(6+3) 5.38+7.85-5.37 1.48 X0.5 X30.8
0.64 X25 X7.8+2.2 56-1.19 X3-0.43 0.52 X0.4 X0.05
194 — 64.8 -1.8 X0.9 0.82 X40 X2. 9.24 X3.5 X102
3.8 X3.9 + 5.1 X3.8 +
3.8 0.92 X2.4 — 0.42
X2.4
3.8
X10.1 0.67 X99 6.07 — 3.2—
0.8
0.25 X185
X40 (0.8 + 8) X0.125 2.37 X6.3+2.37 X3.7 10.15-10.75 XO.4-5.7 8.7 X17.4 - 8.7 X 7.4 (6.8-6.8 X0.55) -8.5 0.125 X88
4.8 X(15 -2.4) 0.12X 4.8-0.12X4.8 28-(3.4+1.25 2.X4)
3.7 X9.5 X1.6 0.25X13.7X0.4 0.89 X 2.55 X7.1+2.45 7X.1
4.8+0.89 X0.52
(2.44 －1.8)-0.4＋0.15 777X9+1111 X3
38.5 -10.5 X0.8
12.5X0.4X2.5X8 31.5 X4-(6+3)
1.24X8.3＋8.3X1.76 7.29 X4.6 + 46 1.X271
0.8X〔15.5-(3.21+5.79) 〕
40.5 - 0.81 X 0.18 12.13 + 7.15-1.13 + 2.85
(31.8+3.2 X4)-5
4.2 X101
2.5X56+4.5 X65 0.64 X25X7.8+2.2
3.6 X99
3.2X1.5+2.5 )-1.6 2-2.5+2.5 -2
2.5 X32X1.25
2.73 ＋1.5X4 5180-705 X6 194 — 64.8 -1.8 X0.9 4.6 0.35+4.6 (X65 12.96- (9.6-1.52 )
2.95 101-2.95 0.92 1.01 45 -0.09 -0.5
(1.25+0.25) 4 4.9+0.8-4.9+0.8 17.8 -(1.78 4)
36.72 -4.25 09.9 3.6 03.6+1.4 03.6
132-43.7-56.3 4.2 99+4.2 2.7 1.5-2.7
2.31 1.2 0.5 35-(0.35 2) 0.4 12.5 (4.2-1.7)
12.78-(4.97+2.78) 3.14 1.9+31.4 0.81 21.5 -[ (6.07+2.53 ) 0.5] 99 04.3 63 010.1-63 00.1 0.25 00.8 00.125 0.4 23.4-0.8-13.4-7.2
63.4 -2.5 -0.4 3.2 0101 56.5 099+56.5
0.8+0.88+0.22 7.3 010.2-1.46 (1.25-0.125) 8 X 1.25 X2.5 X0.4 X8 7.6 + 99 X7.6 17.64 *4.9+6.73
6.81+6.81 9X9 0.58 —0.65 X0.4 (38.6-12.75 )*2.5X0.3
0.68X2.5+0.32 X1.9 0.91 *0.7＋0.168*0.8 25.73 X6.5+25.73 X3.5
2*2.5+2.5 *2 0.11 X1.8＋8.2X0.11 25X4.4
5.8 X (3.87-0.13 ) 0.8 X(3.2—2.99*2.3) 7.7 X0.16 *7.7 X12.5
( 6+9.728 *3.2)X 2.5 5.4*(3.94＋0.86)X0.8 10.64 *(3.7 — 2.9)
0.8X〔15.5-(3.21+5.79) (8.1 — 5.4) *3.6＋85.7 4.8X99＋4.8 578 — 405 *45 X16 16.5 X3.7 — 6.5 X3.7 3.4 *[( 1.2 + 0.5)X5:
30.8*[14-(9.85 ＋1.07)] 25—24.5*(3.2 ＋1.7) 1.9＋19.9+199.9 ＋0.3
[60—(9.5 ＋28.9)] *0.18 18.09-7.5 X(0.14＋1.06) 0.25X12.5X3.2 47.3 + 21 X(3.9 — 0.87) (6+10.88 -3.2 )X1.5 5.74 X99 + 5.74
20.9+10.5 -(5.2—3.5) 0.125X16 2400-16-0.5
5X[(68.41-32.17) -0.4] 18—( 1.4+1.25 X2.4) 4.75 ＋3.25X2.4＋7.6
4.05 -1.5 -0.03 19.8+86.43+20.2 3.8X1.4＋18.2-0.7
1.92-0.12—2.7 21.5 -[(6.07+2.53) 0.X5] 4.8X0.25 4.7 X10.2
4.6＋32.55-9.3 48
X0.25 7.63 X99＋7.63
0.84-(0.3＋0.4) 4.27-0.7X1.3 9.4—1.2-0.6＋6.24
0.84 X1.7 -0.07 18.9—18.9-1.4 6.73 ＋2.56＋1.44＋3.27
3.9 -1.3 -5 1.76-[(0.74 ＋0.26) -0.8] 2.37X2.5X4 1.5X102
15.4-[8X(6.34—4.59)] 3.2X5.6—11.4 2.8X3.2＋3.2X7.2
