計算下面各題,能簡便的要用簡便方法計算1 3 0 94 0 06 7 7 6 27 0 3 3 12

2021-04-17 13:37:18 字數 4498 閱讀 3163

1樓:媬廏伋

(zhi1)1.3+0.94+0.06+7.7,dao=(1.3+7.7)+(0.94+0.06),=9+1,

=10;

(2)6.27÷0.3+3,

=20.9+3,

=23.9;

(3)12.5×

專0.48×0.8,

=(12.5×0.8)×屬0.48,

=10×0.48,

=4.8;

(4)5.2×[(1.3+2.1)÷0.2],=5.2×[3.4÷0.2],

=5.2×17,

=88.4.

計算下面各題,能簡便的要用簡便方法計算. 1.3+0.94+0.06+7.7 6.27÷0.3+3 12.5×0.48

2樓:你大爺

(1)1.3+0.94+0.06+7.7,=(1.3+7.7)+(0.94+0.06),=9+1,

=10;

(2)6.27÷0.3+3,

=20.9+3,

=23.9;

(3)12.5×0.48×0.8,

=(12.5×0.8)×0.48,

=10×0.48,

=4.8;

(4)5.2×[(1.3+2.1)÷0.2],=5.2×[3.4÷0.2],

=5.2×17,

=88.4.

計算下面各題.(能簡便的要用簡便方法計算)2.3+3.91÷(22-19.7)21.6÷[64.8-(48.6-2.7×2)]0.25×0

3樓:手機使用者

(1)2.3+3.91÷(22-19.7)=2.3+3.91÷2.3

=2.3+1.7

=4(2)21.6÷[64.8-(48.

6-2.7×2)]=21.6÷[64.

8-(48.6-5.4)]=21.

6÷[64.8-43.2]

=21.6÷21.6

=1(3)0.25×0.03×4

=(0.25×4)×0.03

=1×0.03

=0.03

0.13×3.89+0.13×5.11

=0.13×(3.89+5.11)

=0.13×9

=1.17

(5)10.1×87

=(10+0.1)×87

=10×87+0.1×87

=870+8.7

=878.7

下面各題,能簡算的要用簡便方法計算.2.9+0.46+7.1+0.54 ...

4樓:二邁镸

①2.9+0.46+7.1+0.54

=(du2.9+7.1)+(0.46+0.54)=10+1

=11;zhi

②(31.6-11.7)÷2.5÷0.4

=19.9÷(2.5×

dao0.4)

=19.9÷1

=19.9;

③0.4×37×25

=37×(0.4×25)

=37×10

=370;

④內4.97÷1.25+3.03×8

=4.97÷10

8+3.03×8

=0.497×8+3.03×8

=(0.497+3.03)×容8

=3.527×8

=28.216.

計算下列各題,能用簡便方法的要用簡便方法計算.(1)3.25×0.45+6.75×0.45(2)9.07-22.78÷3.4(3)7

5樓:匿名使用者

(1)3.25×

源0.45+6.75×bai0.45

=(du3.25+6.75)×zhi0.45=10×0.45

=4.5;

(2)9.07-22.78÷3.4

=9.07-6.7

=2.37;

(3)7.5×102

=7.5×(dao100+2)

=7.5×100+7.5×2

=750+15

=765;

(4)5.64÷0.125÷8

=5.64÷(0.125×8)

=5.64÷1

=5.64;

(5)16×0.7×2.5

=4×4×0.7×2.5

=(4×0.7)×(2.5×4)

=2.8×10

=28;

(6)3.7×2.8+85.64

=10.36+85.64

=96.

計算下面各題,能簡便計算的要簡便計算.①26.7+3.3×1.2+0.04 ②4.8×12.5×0.8 ③2.5×(6+9.728÷3.2

6樓:鬆阪

(1)26.7+3.3×

1.2+0.04

=26.7+3.96+0.04,

=26.7+(3.96+0.04),

=26.7+4,

=30.7;

(2)4.8×12.5×0.8

=0.8×12.5×4.8,

=10×4.8,

=48;

(3)2.5×(6+9.728÷3.2)

=2.5×(6+3.04),

=2.5×9.04,

=2.5×(10-0.06),

=2.5×10-2.5×0.06,

=25-0.15,

=24.85;

(4)24×10.2

=24×(10+0.2),

=24×10+24×0.2;

=240+4.8,

=244.8;

(5)6.3÷(2.1×2)

=6.3÷2.1÷2,

=3÷2,

=1.5;

(6)100.8÷[(10.79+6.49)÷4.8]=100.8÷[17.28÷4.8],

=100.8÷3.6,

=28.

計算下面各題(能簡便計算的要簡便計算).(1)12×(124-85)÷26(2)5.5×17.3+6.7×5.5(3) 7

7樓:懷念ck°藈酹

(1)抄12×(124-85)÷26

=12×39÷26,

=468÷26,

=18;

(2)5.5×17.3+6.7×5.5

=(17.3+6.7)×5.5,

=24×5.5,

=132;

(3)7

13+5 6

+613

+1 6

=(713

+613

)+(5 6

+1 6

),=1+1,

=2;(4)1-3

13÷9

26-1 5

=1-2 3

-1 5

,=1 3

-1 5

,=215.

計算下面各題,能簡便的最好用簡便方法計算.4.1÷0.41+22.5 &...

8樓:手機使用者

①bai4.1÷0.41+22.5

=10+22.5

=32.5

②2.01×

du99+2.01

=2.01×(

zhi99+1)

=2.01×100

=201

③5.6×3.9+3.9×4.4

=3.9×(5.6+4.4)

=3.9×10

=39④dao6.9×1.25×0.8

=6.9×(1.25×0.8)

=6.9×1

=6.9

計算下面各題,能用簡便方法的要用簡便方法計算. 1.25×32×2.5 7.54-0.9×6-2.36 10.1×3.4 8

9樓:橙

(1)1.25×32×2.5,

專=1.25×8×4×2.5,

=(1.25×8)×屬(4×2.5),

=10×10,

=100;

(2)7.54-0.9×6-2.36,

=7.54-5.4-2.36,

=2.41-2.36,

=0.05;

(3)10.1×3.4,

=(10+0.1)×3.4,

=34+0.34,

=34.34;

(4)8÷0.9÷4.1,

=8÷(0.9×4.1),

=8÷3.69,

=800

369;

(5)7.28+27.2÷4,

=7.28+6.8,

=14.08;

(6)3.6×5.2+4.8×3.6,

=3.6×(5.2+4.8),

=3.6×10,

=36.

計算下面各題,能簡算的要用簡便方法計算

54.9 0.38 54.9 0.4 0.02 21.96 1.098 20.862 4.05 37.85 41.9 1.25 0.7 0.8 1.25 0.8 0.7 0.7 9.8 25 25 2 4.9 245 6.1 3.6 3.6 3.9 3.6 6.1 3.9 362.96 40 3 0...

計算下面各題,怎樣簡便就怎樣算,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

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....

用簡便方法計算下列各題,用簡便方法計算下面各題 59 38 17

12.45 565 12.45 565 12.45 565 2.45 560 12.45 565 2.45 560 12.45 560 5 2.45 560 12.45 560 12.45 5 2.45 560 12.45 560 2.45 560 12.45 5 10 560 12.45 10 2...