遞等式計算(能簡算的要簡算1)9 76 3 2 1 6(2)(8 8)12 5(3)

2021-03-30 12:29:12 字數 4078 閱讀 5514

1樓:_乵

(1)9.76÷3.2×1.6,

=3.05×1.6,

=4.88;

(2)(8+8)×12.5,

=8×12.5+8×12.5,

=100+100,

=200;

(3)7.5×2.3+2.3×3.5-2.3,=2.3×(7.5+3.5-1),

=2.3×10,

=23;

(4)10.5÷(5.3-4.6)+8.9,=10.5÷0.7+8.9,

=15+8.9,

=23.9.

遞等式計算(能簡算的要簡算).(1)91.2-43.68÷7.8(2)1.82×5.7÷0.3(3)8.0

2樓:紫月軍團

(1)91.2-43.68÷7.8,

=91.2-5.6,

=85.6;

(2)1.82×5.7÷0.3,

=10.374÷0.3,

=34.58;

(3)8.06×10.1-0.1×8.06,=8.06×(10.1-0.1),

=8.06×10,

=80.6;

(4)6÷0.125=48.

遞等式計算(能簡算的要簡算) 1、1.2×(9.6÷2.4)÷4.8 2、8.9×1.1×4.7 3、3.94+34.3×0.2

3樓:匿名使用者

解:(抄1)1.2×(9.6÷襲2.4)÷4.8=bai1.2÷2.4×du9.6÷4.8=1/2 ×2

=1(zhi2)8.9×1.1×4.73

=8.9×5.203

=(10-1.1)×5.203

=52.03-5.7233

=46.3067

(3)3.94+

dao34.3×0.2

=3.94+6,86

=10.8

用遞等式計算,能簡算的要簡算.(18%)(1)25×12-850÷17(2)(3.2÷16+10.8)÷22(3)3.2×12.5×2

4樓:匿名使用者

(du1)25×zhi12-850÷

dao17

=25×4×3-50,

=300-50,

=250;

(2)(3.2÷16+10.8)÷22

=(0.2+10.8)÷22,

=11÷22,

=0.5;

(3)3.2×12.5×2.5

=0.8×4×12.5×2.5,

=(12.5×0.8)×(2.5×4),

=10×10,

=100;

(4)7.05-3.84-0.16-1.05=7.05-1.05-(3.84+0.16),=6-4,

=2;(5)8

17×9-8÷17 8

=817

×9-8×8

17,=(9-8)×8

17,=1×8

17,=8

17;(6)5 6

×[2÷(7 8

-3 4

)]=5 6

×[2÷1 8

],=5 6

×16,

=40 3.

遞等式計算(能簡算的要簡算).(1)191.3-47.2+96.9(2)9.63+13.78-3.63(3)50.03-6.5-0.5(4)25×1

5樓:血刺朱雀澴

(du1)191.3-47.2+96.9,zhi=144.1+96.9,

=241;

(2)9.63+13.78-3.63,

=9.63-3.63+13.78,

=6+13.78,

=19.78;

(3)50.03-6.5-0.5,

=50.03-(6.5+0.5),

=50.03-7,

=43.03;

(4)25×125×16,

=25×125×(

dao2×8),

=(25×2)×(125×8),

=50×1000,

=50000;

(5)2506-506×3+27,

=2506-1518+27,

=988+27,

=1015;

(6)99×63+63,

=(99+1)×63,

=100×63,

=6300.

用遞等式計算(能簡便的要簡便)(1)9.9×101-9.9 ...

6樓:聽不清啊

9.9×101-9.9

=9.9*(101-1)

=9.9*100

=990

用遞等式計算(能簡算的要簡算).(1)15+325×10 &...

7樓:手機使用者

(1)15+3

25×10,=15

+65,=7

5;(2)內168.1÷(8.5-0.3),

容=168.1÷8.2,

=20.5;

(3)8.72+2.9+3.1+1.28,=(8.72+1.28)+(2.9+3.1),=10+6,

=16;

(4)4

15×29+7

9×415,

=415

×(29+79

),=4

15×1,

=415.

遞等式計算(能簡算的要簡算,並寫出必要的計算過程) 3.26+1.4+6.34+9.619600-600÷5×25300-3.25+6.75

8樓:幻彩

(1)3.26+1.4+6.34+9.6

=(3.26+6.34)+(1.4+9.6)=9.6+11

=20.6;

(2)19600-600÷5×25

=19600-120×25

=19600-3000

=16600;

(3)300-3.25+6.75

=296.75+6.75

=303.5;

(4)(36×19-19)÷35

=(684-19)÷35

=665÷35

=19;

(5)9600÷25

=9600÷25÷4×4

=9600÷(25×4)×4

=9600÷100×4

=96×4

=384;

(6)(67×76+76×58)×8

=76×(67+58)×8

=76×125×8

=76×(125×8)

=76×1000

=76000.

計算下面各題.(能簡算的要簡算)(1)24×12+76×12 (2)87.5÷12.5÷8 (3)(78+34)÷18 (4)9

9樓:強顏歡笑丶炳

(1)24×制1

2+76×12,

=12×(76+24),=12

×100,

=50;

(2)87.5÷12.5÷8,

=87.5÷(12.5×8),

=87.5÷100,

=0.875;

(3(78+3

4)÷18,

=78×8+3

4×8,

=7+6,

=13;

(4)91+91×(2

13-17),

=91+91×2

13-91×17,

=91+14-13,

=92;

(5)2.2×101,

=2.2×(100+1),

=2.2×100+2.2×1,

=220+2.2,

=222.2;

(6)14.6-3.625-6.375,

=14.6-(3.625+6.375),

=14.6-10,

=4.6.

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