計算下列各題,能簡算的用簡便方法計算26

2021-03-17 02:00:25 字數 1102 閱讀 7920

1樓:ayの0077e薩

(1)26-3.17-7.83,

=26-(3.17+7.83),

=26-11,

=15;

(2)67×38+33×38,

=(67+33)×38,

=100×38,

=3800;

(3)125×25×64,

=125×25×4×8,

=(125×8)×(25×4),

=1000×100,

=100000;

(4)29.38-(19.38-4.76),=29.38-19.38+4.76,

=10+4.76,

=14.76;

(5)329×87-87×29,

=(329-29)×87,

=300×87,

=26100;

(6)5.8-3.62-0.38+0.2,=(5.8+0.2)-(3.62+0.38),=6-4,=2.

計算下面各題,能簡便計算的要用簡便方法計算. 296+73+104+37 1600÷25÷4 125×54-46×125 50

2樓:憽人戾

(1)296+73+104+37,

=(296+104)+(73+37),

=400+110,

=510;

(2)1600÷25÷4,

=1600÷(25×4),

=1600÷100,

=16;

(3)125×54-46×125,

=125×(54-46),

=125×8,

=1000;

(4)50.34+11.645-42.34,=50.34-42.34+11.645,

=8+11.645,

=19.645;

(5)125×25×32,

=125×25×4×8,

=(125×8)×(25×4),

=1000×100,

=100000;

(6)99+99×99,

=99×(1+99),

=99×100,

=9900.

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

可以這樣寫過程如圖這樣過程可以這樣寫過程可以僅供參考過程如圖。5 6 4 9 1 6 2 9等於多少?用簡便方法計算下列各題。5 6 4 9 1 6 2 9 5 6 1 6 4 9 2 9 1 6 9 3 9 1 3 1 四則混合運算順序 同級運算時,從左到右依次計算 兩級運算時,先算乘除,後算加減...

計算下列各題。(能簡算的要簡算)15(

3 1 7 2 4 1 1 3 1 4 2 7 28 84 21 84 12 84 19 84答 1 計算下面各題。能簡算的要簡算 15 3 2 5 3 6 5 8 1 12 5 7 3 15 2 3 3 5 15 2 3 15 3 5 10 9 19 5 6 1 8 5 12 3 7 5 6 13...

計算下列各題(能用簡便方法的用簡便方法計算)0 125 8 75 81 8 0 5 0 612 75 14 6 (1 3 8 2)

du1 0.125 8.75 8 0.125 zhi8 8.75 1 8.75 8.75 dao2 專1.8 屬0.5 0.6 1.8 0.5 0.6 1.8 0.3 6 3 12.75 14.6 1.3 8.2 12.75 14.6 9.5 12.75 5.1 2.5 4 0.7 10.1 0.7...