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75+44+125+66+568×5×125×4078×45+21×45+4535×98.
题目详情
|
75+44+125+66+56 | 8×5×125×40 |
78×45+21×45+45 | 35×98. |
75+44+125+66+56 | 8×5×125×40 |
78×45+21×45+45 | 35×98. |
75+44+125+66+56 | 8×5×125×40 |
78×45+21×45+45 | 35×98. |
75+44+125+66+56 | 8×5×125×40 |
78×45+21×45+45 | 35×98. |
75+44+125+66+56 | 8×5×125×40 |
78×45+21×45+45 | 35×98. |
▼优质解答
答案和解析
(1)75+44+125+66+56,
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430. (1)75+44+125+66+56,
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430. (1)75+44+125+66+56,
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430. (1)75+44+125+66+56,
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430.
(1)75+44+125+66+56, =(75+125)+(44+56)+66, =200+100+66, =366; (2)8×5×125×40, =(8×125)×(5×40), =1000×200, =200000; (3)78×45+21×45+45, =(78+21+1)×45, =100×45, =4500; (4)35×98, =35×(100-2), =35×100-35×2, =3500-70, =3430. |
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430.
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430.
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430.
=(75+125)+(44+56)+66,
=200+100+66,
=366;
(2)8×5×125×40,
=(8×125)×(5×40),
=1000×200,
=200000;
(3)78×45+21×45+45,
=(78+21+1)×45,
=100×45,
=4500;
(4)35×98,
=35×(100-2),
=35×100-35×2,
=3500-70,
=3430.
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