1樓：凌月霜丶
12+5268.32-2569
123+456-52*8
789+456-78
181+2564）+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755－(2187+755)
2214+638+286
3065－738－1065
138×25×4
(13×125)×(3×8)
(12+24+80)×5025×32×12532×(25+125)
178×101－178
84×36+64×84
75×99+2×75
83×102－83×2
123×18－123×3+85×123
50×(34×4)×3
25×（24+16）
178×99+178
79×42+79+79×57
7300÷25÷4
8100÷4÷75
158+262+138
375+219+381+225
5001－247－1021－232
（181+2564）+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755－(2187+755)
2214+638+286
3065－738－1065
2357－183－317－357
2365－1086－214
138×25×4
(13×125)×(3×8)
(12+24+80)×50
25×32×125
32×(25+125)
178×101－178
84×36+64×84
75×99+2×75
83×102－83×2
123×18－123×3+85×123
50×(34×4)×3
25×（24+16）
178×99+178
79×42+79+79×57
7300÷25÷4
8100÷4÷75
2356－（1356－721）
1235－（1780－1665）
75×27+19×2 5
31×870+13×310
4×(25×65+25×28)
2.73 ＋ 0.89 ＋ 1.27
4.37 ＋ 0.28 ＋ 1.63 ＋ 5.7210 － 0.432 － 2.568
9.3 － 5.26 － 2.74
13.4－（3.4＋5.2）
14.9－（5.2＋4.9）
18.32 － 5.47 － 4.32
17.29 － 5.28 － 6.29
25 × 6.8 × 0.04
0.25 × 32 × 0.125
6.4 × 1.25 × 12.5
3.28 × 5.7 ＋ 6.72 × 5.72.1 × 99 ＋ 2.1
1.7 × 9.9 ＋ 0.17
23 × 0.1 ＋ 2.3 × 9.9
0.18 ＋4.26 －0.18 ＋4.260.58 ×1.3 ÷ 0.58 ×1.37.3 ÷4 ＋ 2.7 × 0.25
3.75 × 0.5 － 2.75 ÷ 25.26 × 0.125 ＋ 2.74 ÷ 89.5 ÷（1.9 × 8）
12.8 ÷ （0.4 × 1.6）
930 ÷ 0.6 ÷5
63.4 ÷ 2.5 ÷ 0.4
（7.7 ＋ 1.54）÷ 0.7
（11.7 ＋ 9.9）÷ 0.9
6.9＋4.8＋3.1
15.89＋(6.75－5.89)
7.85＋2.34－0.85＋4.66
35.6－1.8－15.6－7.2
13.75－(3.75＋6.48)
47.8－7.45+2.55
66.86－8.66－1.34
0.25×16.2×4
0. 25×32 ×0.125
2 .5 ×(4 +0.4)
(1.25－0.125)×8
56.5×9.9＋56.5
5.4×11-5.4
3.83×4.56＋3.83×5.44
7.09×10.8－0.8×7.09
3.65×4.7－36.5×0.37
13.7×0.25－3.7÷4
10.7×16.1-1.1×10.7 +10.7 ×53.9÷（1.3×5）
63.4÷2.5÷0.4
（7.7＋1.4）÷0.7
18 ÷ (9-3)
求100道五年級脫式計算題帶答案和過程
2樓：幸福一職存在
5.4÷1.8+240×
62616964757a686964616fe59b9ee7ad94313333656462611.5=3+360=363
9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999
14.8×6.3-6.
3×6.5+8.3×3.
7=(14.8-6.5)×6.
3+8.3×3.7=8.
3×6.3+8.3×3.
7=8.3×(6.3+3.
7)=8.3×10=83
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
933-157-43=933-(157+43)=933-200=733
4821-998=4821-1000+2=3823
32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000
1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65
6.5×8+3.5×8-47=52+28-47=80-47=33
3.7x2.56-2.3=9.472-2.3=7.172
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
61-(1.25+2.5×0.7)=61-3=58
[(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=3.05
408－12×24 = 408 - 288 = 120（46＋28）×60 = 74 x 60 = 4440
42×50－17 = 2100- 17 = 2083
32＋105÷5 = 32 + 21 = 53
420×（327－238） = 420 x 89 = 37380
(4121+2389)÷7 = 6510 ÷7 = 930
3.416÷（0.016×35） = 3.416 ÷0.56 = 6.1
0.8×[(10－6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16
5.67×0.2-0.62 = 1.134-0.62 = 0.514
0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07
0.78+5.436+1 = 6.216 +1 = 7.216
30.8÷[14－(9.85＋1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10
[60－(9.5＋28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120
2.881÷0.43－0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86
5.38+7.85-5.37= 13.23 - 5.37=7.86
7.2÷0.8-1.2×5=9 - 6 =3
6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2
6.5×（4.8-1.2×4）= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0
0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9
10.15-10.75×0.
4-5.7 = 10.15 - 4.
3 - 5.7 = 10.15 -(4.
3 + 5.7)=10.15 - 10 =0.
155.8×（3.87-0.
13）+4.2×3.74 = 5.
8 x 3.74 +4.2 x 3.
74 = (5.8 +4.2)x3.
74 = 10 x 3.74 = 37.4
20×[(2.44－1.8)÷0.
4＋0.15] = 20x (0.64 ÷0.
4 +0.15)= 20x(1.6 +0.
15) = 20 x1.75 = 35
28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6
2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5
0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2
（31.8+3.2×4）÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92
31.5×4÷(6+3) = 126 ÷ 9 = 14
2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05
194－64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.65180－705×6 = 5180 - 4230=950
24÷2.4－2.5×0.8 =10 -2=8
405×(3213-3189) =405x24 = 9720
125×(97-81) =125x16 =2000
6942+480÷3 = 6942 + 160 = 6782
20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20
100÷（32-30）×0 = 100 ÷2 x0= 50 x0 = 0
25×4-12×5 = 100 - 60 = 40
70×〔（42-42）÷18〕=70 x (0÷18) = 70x0 = 0
75×65+75×35 = 75 x (65 +35) = 75x100 = 7500
6-1.6÷4= 6- 0.4 = 5.6
32.52-（6+9.728÷3.
2）×2.5 = 32.52 - (6+3.
04)x2.5 = 32.52 - 9.
02 x 2.5 = 32.52 -22.
55 = 9.97
（136+64）×（65-345÷23）= 200x(65-15) = 200x 50=10000
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甲乙硫酸不同剩餘質量相同說明硫酸過量因此剩餘2g是cu 因此cu質量分數是20 fe是80 甲中 h2是x，feso4是y fe h2so4 feso4 h2 56 152 2 8 y x 所以x 0.29，y 21.7 所以溶液質量 100 8 0.29 107.71 所以硫酸亞鐵質量分數 21....