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65×73+28×65-65.8000÷125÷24×6.210×8÷105×125.450÷90-360÷90.981+5×9810+49×981.25×64×125.56000÷(14000÷16)45000÷(25×90)37500÷4÷25.9600÷25.125×91÷25.125×72÷9.125×38÷
题目详情
65×73+28×65-65. | 8000÷125÷24×6. | 210×8÷105×125. | 450÷90-360÷90. |
981+5×9810+49×981. | 25×64×125. | 56000÷(14000÷16) | 45000÷(25×90) |
37500÷4÷25. | 9600÷25. | 125×91÷25. | 125×72÷9. |
125×38÷19. | 2847-399-1601. | 285+305-5. |
▼优质解答
答案和解析
(1)65×73+28×65-65,
=65×(73+28-1),
=65×100,
=6500;
(2)8000÷125÷24×6,
=64×6÷24,
=384÷24,
=16;
(3)210×8÷105×125,
=210÷105×(8×125),
=2×1000,
=2000;
(4)450÷90-360÷90,
=(450-360)÷90,
=90÷90,
=1;
(5)981+5×9810+49×981,
=981+50×981+49×981,
=(1+50+49)×981,
=100×981,
=98100;
(6)25×64×125,
=(25×8)×(8×125),
=200×1000,
=200000;
(7)56000÷(14000÷16),
=56000÷875,
=64;
(8)45000÷(25×90),
=45000÷90÷25,
=500÷25,
=20;
(9)37500÷4÷25,
=37500÷(4×25),
=37500÷100,
=375;
(10)960÷25,
=(960×4)÷(25×4),
=3840÷100,
=38.4;
(11)125×91÷25,
=125÷25×91,
=5×91,
=455;
(12)125×72÷9,
=125×8×(9÷9),
=1000×1,
=1000;
(13)125×38÷19,
=125×(38÷19),
=125×2,
=250;
(14)2847-399-1601,
=2847-(399+1601),
=2847-2000,
=847;
(15)285+305-5,
=285+(305-5),
=285+300,
=585.
=65×(73+28-1),
=65×100,
=6500;
(2)8000÷125÷24×6,
=64×6÷24,
=384÷24,
=16;
(3)210×8÷105×125,
=210÷105×(8×125),
=2×1000,
=2000;
(4)450÷90-360÷90,
=(450-360)÷90,
=90÷90,
=1;
(5)981+5×9810+49×981,
=981+50×981+49×981,
=(1+50+49)×981,
=100×981,
=98100;
(6)25×64×125,
=(25×8)×(8×125),
=200×1000,
=200000;
(7)56000÷(14000÷16),
=56000÷875,
=64;
(8)45000÷(25×90),
=45000÷90÷25,
=500÷25,
=20;
(9)37500÷4÷25,
=37500÷(4×25),
=37500÷100,
=375;
(10)960÷25,
=(960×4)÷(25×4),
=3840÷100,
=38.4;
(11)125×91÷25,
=125÷25×91,
=5×91,
=455;
(12)125×72÷9,
=125×8×(9÷9),
=1000×1,
=1000;
(13)125×38÷19,
=125×(38÷19),
=125×2,
=250;
(14)2847-399-1601,
=2847-(399+1601),
=2847-2000,
=847;
(15)285+305-5,
=285+(305-5),
=285+300,
=585.
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