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简算.0.9+1.08+0.92+0.132×125×2537×9968×98+68×2101×8720.5-2.52-7.481923-456-54425×(40+6)13×49+49×87125×25×32.
题目详情
简算. 0.9+1.08+0.92+0.1 | 32×125×25 | 37×99 |
68×98+68×2 | 101×87 | 20.5-2.52-7.48 |
1923-456-544 | 25×(40+6) | 13×49+49×87 |
125×25×32. |
简算. 0.9+1.08+0.92+0.1 | 32×125×25 | 37×99 |
68×98+68×2 | 101×87 | 20.5-2.52-7.48 |
1923-456-544 | 25×(40+6) | 13×49+49×87 |
125×25×32. |
简算. 0.9+1.08+0.92+0.1 | 32×125×25 | 37×99 |
68×98+68×2 | 101×87 | 20.5-2.52-7.48 |
1923-456-544 | 25×(40+6) | 13×49+49×87 |
125×25×32. |
0.9+1.08+0.92+0.1
32×125×25
37×99
0.9+1.08+0.92+0.1
32×125×25
37×99
0.9+1.08+0.92+0.1
32×125×25
37×99
▼优质解答
答案和解析
(1)0.9+1.08+0.92+0.1
=(0.9+0.1)+(0.92+1.08)
=1+2
=3;
(2)32×125×25
=8×4×125×25
=(8×125)×(4×25)
=1000×100
=100000;
(3)37×99
=37×(100-1)
=37×100-37×1
=3700-37
=3663;
(4)68×98+68×2
=68×(98+2)
=68×100
=6800;
(5)101×87
=(100+1)×87
=100×87+1×87
=8700+87
=8787;
(6)20.5-2.52-7.48
=20.5-(2.52+7.48)
=20.5-10
=10.5;
(7)1923-456-544
=1923-(456+544)
=1923-1000
=923;
(8)25×(40+6)
=25×40+25×6
=1000+150
=1150;
(9)13×49+49×87
=(13+87)×49
=100×49
=4900;
(10)125×25×32
=125×25×(8×4)
=(125×8)×(25×4)
=1000×100
=100000.
=(0.9+0.1)+(0.92+1.08)
=1+2
=3;
(2)32×125×25
=8×4×125×25
=(8×125)×(4×25)
=1000×100
=100000;
(3)37×99
=37×(100-1)
=37×100-37×1
=3700-37
=3663;
(4)68×98+68×2
=68×(98+2)
=68×100
=6800;
(5)101×87
=(100+1)×87
=100×87+1×87
=8700+87
=8787;
(6)20.5-2.52-7.48
=20.5-(2.52+7.48)
=20.5-10
=10.5;
(7)1923-456-544
=1923-(456+544)
=1923-1000
=923;
(8)25×(40+6)
=25×40+25×6
=1000+150
=1150;
(9)13×49+49×87
=(13+87)×49
=100×49
=4900;
(10)125×25×32
=125×25×(8×4)
=(125×8)×(25×4)
=1000×100
=100000.
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