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雅思总分平均分怎么算 13.25+35+6.75简算怎么算?

火烧 2022-11-09 02:57:53 1082
13.25+35+6.75简算怎么算? 13.25+35+6.75简算怎么算?13.25+35+6.75=13 + 0.25 + 35 + 6 + 0.75= 13+35+6 + 0.25+0.75

13.25+35+6.75简算怎么算?  

13.25+35+6.75简算怎么算?

13.25+35+6.75
=13 + 0.25 + 35 + 6 + 0.75
= 13+35+6 + (0.25+0.75)
=13+35+6+1
=(13+6+1) + 35
=20+35
=55

8.25-(7.28-6.75)脱式计算能简算吗?能简算的话怎么简算?

=8.25+6.75—7.28
=15—7.28
=7.72

简算:6.75+6.75*7.6+1.4*6.75

6.75+6.75×7.6+1.4×6.75=6.75×1+6.75×7.6+1.4×6.75=6.75×(1+7.6+1.4) =6.75×10=67.5

12一4.25一6.75怎么简算

12一4.25一6.75
=12-(4.25+6.75)
=12-11
=1

计算,能简算的要简算(1)13.25-5.07-2.93 (2)42.8...

(1)13.25-5.07-2.93          
=13.25-(5.07+2.93)
=13.25-8
=5.25

(2)42.8×7.8+7.8×57.2
=7.8×(42.8+57.2)
=7.8×100
=780

(3)1.5×2.7-30÷25        
=4.05-1.2
=2.85

(4)[17.5-(4.9+2.1)]×2.3
=[17.5-7]×2.3
=10.5×2.3
=24.15

脱式计算,能简算的要简算 (1)2000-297 (2)8.8-6.75÷2.5-0.25 (3)7-(35+4÷

(1)2000-297,
=2000-300+3,
=1700+3,
=1703;

(2)8.8-6.75÷2.5-0.25,
=8.8-2.7-0.25,
=5.85;

(3)7-(

3 5

+4÷

2 3

),
=7-(

3 5

+6),
=7-6

3 5


=

2 5

(4)

1 4

÷[

7 8

÷(

3 8

+

1 4

)],
=

1 4

÷[

雅思总分平均分怎么算 13.25+35+6.75简算怎么算?
7 8

÷

5 8

],
=

1 4

÷

7 5


=

5 28

6.75*(0.9 0.7)简算

6.75*(0.9-0.7)
=6.75*0.2
6.75*2/10
=1.35

简算:75.8-3.25-6.75

=75.8-(3.25+6.75)
=75.8-10
=65.8

15.9 (6.75-5.89)简算

15.9 +(6.75-5.89)
=15.9+0.86
=16.76

  
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