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怎样算简便就怎样算.208+45+5586+79+1423+(159+77)32×4×525×13×26×(19×5)18×35256+30724
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怎样算简便就怎样算.
208+45+55 86+79+14 23+(159+77) 208+45+55 86+79+14 23+(159+77) 32×4×5 25×13×2 6×(19×5) 32×4×5 25×13×2 6×(19×5) 18×35 256+307 24×25. 18×35 256+307 24×25.
208+45+55 | 86+79+14 | 23+(159+77) |
32×4×5 | 25×13×2 | 6×(19×5) |
18×35 | 256+307 | 24×25. |
208+45+55 | 86+79+14 | 23+(159+77) |
32×4×5 | 25×13×2 | 6×(19×5) |
18×35 | 256+307 | 24×25. |
▼优质解答
答案和解析
(1)208+45+55
=208+(45+55)
=208+100
=308;
(2)86+79+14
=86+14+79
=100+79
=179;
(3)23+(159+77)
=23+77+159
=100+159
=259;
(4)32×4×5
=32×(4×5)
=32×20
=640;
(5)25×13×2
=25×2×13
=50×13
=650;
(6)6×(19×5)
=6×5×19
=30×19
=570;
(7)18×35
=9×2×35
=9×(2×35)
=9×70
=630;
(8)256+307
=256+300+7
=556+7
=563;
(9)24×25
=6×4×25
=6×(4×25)
=6×100
=600.
=208+(45+55)
=208+100
=308;
(2)86+79+14
=86+14+79
=100+79
=179;
(3)23+(159+77)
=23+77+159
=100+159
=259;
(4)32×4×5
=32×(4×5)
=32×20
=640;
(5)25×13×2
=25×2×13
=50×13
=650;
(6)6×(19×5)
=6×5×19
=30×19
=570;
(7)18×35
=9×2×35
=9×(2×35)
=9×70
=630;
(8)256+307
=256+300+7
=556+7
=563;
(9)24×25
=6×4×25
=6×(4×25)
=6×100
=600.
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