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100道脱式简便计算 脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7

火烧 2023-02-06 09:16:22 1047
脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7 脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7 (1)(15.6+9.4

脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7  

脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7

(1)(15.6+9.44)×0.9,
=25.04×0.9,
=22.536;

(2)1.5×1.3×4,
=1.3×(1.5×4),
=1.3×6,
=7.8;

(3)2.7+3.71+2.29+7.3,
=(2.7+7.3)+(3.71+2.29),
=10+6,
=16.

脱式计算(能简算的要简算)5.2x0.9 0.9

5.2X0.9
二5.2X(1一0.1)
二5.2X1一5.2X0,1
二5.2一0.52
二4.68

脱式计算(能简算的要简算,没简算的不给分).1.6×55.4-55.4×0.6-55.4 17.68÷5.2+2.7×1.5 4

(1)1.6×55.4-55.4×0.6-55.4,
=(1.6-0.6-1)×55.4,
=0×55.4,
=0;

(2)17.68÷5.2+2.7×1.5,
=3.4+4.05,
=7.45;

(3)4.8×0.25,
=(1.2×4)×0.25,
=1.2×(4×0.25),
=1.2×1,
=1.2.

脱式计算,能简算的要简算.0.9×2.5×0.41.25×3.4×0.817.

(1)0.9×2.5×0.4
=0.9×(2.5×0.4)
=0.9×1
=0.9;

(2)1.25×3.4×0.8
=1.25×0.8×3.4
=1×3.4
=3.4;

(3)17.8×99
=17.8×(100-1)
=17.8×100-17.8×1
=1780-17.8
=1762.2.

40.2×2.7/16.2×150脱式计算,能简算的要简算

40.2×2.7/16.2×150脱式计算,能简算的要简算
40.2×2.7/16.2×150
=108.54÷16.2*150
=0.67*150
=100.5

脱式计算,能简算的要简算.2.31×1.5+1.5×7.69 23.4÷7.8

(1)2.31×1.5+1.5×7.69
=(2.31+7.69)×1.5
=10×1.5
=15;

(2)23.4÷7.8-2.1
=3-2.1
=0.9;

(3)4.5×0.4÷4.5×0.4
=4.5÷4.5×0.4×0.4
=1×0.4×0.4
=0.16;

(4)6.4×101-6.4
=6.4×(101-1)
=6.4×100
=640;

(5)4×1.98×0.25
=4×0.25×1.98
=1×1.98
=1.98;

100道脱式简便计算 脱式计算,能简算的要简算.(15.6+9.44)×0.9 1.5×1.3×4  2.7

(6)7.5+2.5-7.5+2.5
=7.5-7.5+(2.5+2.5)
=0+5
=5.

脱式计算,能简算的要简算. 1.69÷1.3+2.5×0.4    1.25×3


(1)1.69÷1.3+2.5×0.4,
=1.3+1,
=2.3;

(2)1.25×32×2.5,
=1.25×(8×4)×2.5,
=(1.25×8)×(4×2.5),
=10×10,
=100;

(3)96.5×105-5×96.5,
=96.5×(105-5),
=96.5×100,
=9650;

(4)18.75-0.43-4.57,
=18.75-(0.43+4.57),
=18.75-5,
=13.75.

脱式计算能简算的要简算0.9除以5.4除以0.9的商

0.9除以5.4除以0.9
=0.9÷0.9÷5.4
=1÷5.4
=10/54
=5/27

4.8×2.4+2.1×1.3的脱式计算能简算的简算

解:
4.8×2.4+2.1×1.3
=(5-0.2)×2.4+(2+0.1)×1.3
=5×2.4-0.2×2.4+2×1.3+0.1×1.3
=12-0.48+2.6+0.13
=14.6-0.35
=14.25

  
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