計算下面各題,怎樣簡便就怎樣計算8

2021-03-23 08:38:48 字數 5925 閱讀 2438

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.

計算下面各題,計算下面各題,怎樣簡便就怎樣計算?

1 20 10 210 連續偶數個自然數相加可以用 1 n n 2計算。計算下面各題,怎樣簡便就怎樣計算?你要熟練的使用分配律與結合律。還有一些計算,比如25 4 100,125 8 1000等等 25 2 12 50 12 600 40 25 8 25 1000 200 1200 25 200 4...

計算下面各題,怎樣簡便就怎樣計算

7 16乘9減7乘7 16 7 16 9 7 回 7 16 2 7 8 2 1 7除15 28乘1 5 21 15 7 28 15 26 21 104 21 3 5 8加4 7 8減1.625減2 3 8 3 4 1 2 5 8 7 8 5 8 3 8 4.5 3 4減1 2減1 6 乘 答12 3...

計算下面各題,怎樣簡便就怎樣計算。1 88 2 3 3 7 5

1.88 2.3 3.7 1.88 6 7.88 5.17 1.8 3.2 5.17 5 0.17 4.02 3.5 0.98 5 3.5 1.5 13.7 0.98 0.02 4.3 18 1 19朋友,請 採納答案 您的採納是我答題的動力,謝謝。下面各題,怎樣算簡便就怎樣算 1 1.8 2.7 ...