1樓:匿名使用者
6.75-6.75÷4.5
計算下面各題,怎樣簡便就怎樣計算,要寫出必要的計算過程.①44×25②6200÷25÷4③65×5-35÷5④362-(
2樓:尉遲俟兜
①44×25,
=11×4×25,
=11×(4×25),
=11×100,
=1100;
②6200÷25÷4,
=6200÷(25×4),
=6200÷100,
=62;
③65×5-35÷5,
=325-7,
=318;
④362-(16+27)×4,
=362-43×4,
=362-172,
=190;
⑤51.27-8.66-1.34,
=51.27-(8.66+1.34),
=51.27-10,
=41.27;
⑥75+12.7+25+6.3,
=(75+25)+(12.7+6.3),
=100+19,
=119.
計算下面各題,怎樣簡便就怎樣計算.4.05÷0.5+10.756.8×2.7+2.7×3.20.38×
3樓:偷艾
(1)4.05÷0.5+10.75
=8.1+10.75
=18.85
(2)6.8×2.7+2.7×3.2
=(6.8+3.2)×2.7
=10×2.7
=27(3)0.38×102
=0.38×(100+2)
=0.38×100+0.38×2
=38+0.76
=38.76
(4)70.3-17.48÷7.6
=70.3-2.3
=68(5)0.125×0.6×80
=0.125×80×0.6
=10×0.6
=6(6)8.5×1.2÷3.4
=10.2÷3.4=3
五年級數學簡便計算練習卷 下面各題怎樣算簡便就怎樣算.小數加減法計算 6.9+4
4樓:少爺的磨難
6.9+4.8+3.1
0.456+6.22+3.78
15.89+(6.75-5.89)
4.02+5.4+0.98 5.17
3.68+7.56-2.68 7.85
3.82+2.9+0.18+9.1 9.65.27+2.86-0.66+1.63
66.86-8.66-1.34 36.8
25.48-(9.4-0.52)
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-(25-2.5)
2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
28×12.5-12.5×20
65.65-(3.07+3.65)
(4+0.4×0.25)
1.65×99+1.65
27.85-(7.85+3.4)
48×1.25+50×1.25
7.8×9.9+0.78
120-144÷18+35
8×7×1.25
0.12×4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6
3.2×(1.5+2.5)÷1.6
5.38+7.85-5.37
0.68×1.9+0.32×1.9
102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
5樓:新野旁觀者
下面各題怎樣算簡便就怎樣算。
6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)
4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)
3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47
5.27+2.86-0.
66+1.63 13.35-4.
68+2.65 73.8-1.
64-13.8-5.36
47.8-7.45+8.
8 0.398+0.36+3.
64 15.75+3.59-0.
59+14.25
66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8
3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1
15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9
4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09
25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8
18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9
5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2
17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1
15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5)
3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7
27.5×3.7-7.
5×3.7 8.54÷2.
5÷0.4 0.65×101 3.
2×0.25×12.5
(45.9-32.7)÷8÷0.
125 3.14×0.68+31.
4×0.032 5.6÷1.
25÷0.8÷2.5÷0.
47.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26
3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27
21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4
2.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.37
46×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7
101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199
4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24
2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98
0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5
3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55
3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403
3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36
12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×4
7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4
1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35
0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6
0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5
14-7.32-2.68 2.64+8.67+7.36+11.33 70÷28
(2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.5
4.5÷1.8 4.2÷3.5 930÷0.6÷5
63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)
(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4)
0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25
計算下面各題,怎樣簡便就怎樣算. 1.29+3.7+0.71+6.3 23.4-8.54-1.46 6.75×0.5+4.86 19×
6樓:後冷珍
(1)1.29+3.7+0.71+6.3,=(1.29+0.71)+(3.7+6.3),=2+10,
=12;
(2)23.4-8.54-1.46,
=23.4-(8.54+1.46),
=23.4-10,
=13.4;
(3)6.75×0.5+4.86,
=3.375+4.86,
=8.235;
(4)19×3.6-3.6×9,
=3.6×(19-9),
=3.6×10,
=36;
(5)2.5×1.8×0.04,
=2.5×0.04×1.8,
=0.1×1.8,
=0.18;
(6)10.24÷1.25÷8,
=10.24÷(1.25×8),
=10.24÷10,
=1.024.
計算下面各題,怎樣簡便就怎樣算.125-25×5÷25 75+3.2+4.8+25 &...
7樓:靜湜揬
(1)125-25×5÷25
=125-125÷25
=125-5
=120;
(2)75+3.2+4.8+25
=75+25+(3.2+4.8)
=100+8
=108;
(3)69.2-6.83-3.17
=69.2-(6.83+3.17)
=69.2-10
=59.2;
(4)125×32
=125×8×4
=1000×4
=4000;
(5)400-(32×8+143)
=400-(256+143)
=400-399
=1;(6)68×28+32×28
=(68+32)×28
=100×28
=2800.
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