4.81.76等于几目录
4.8x9.25x7.6
=1.2x(9.25x4)x7.6
=1.2x37x7.6
=337.44
如有不明白，可以追问！！
谢谢采纳
123 456 789 876 543 210
=（1 4 7 8 5 2）×100 （2 5 8 7 4 1）×10 (3 6 9 6 3 0)
=2700 270 27
=2997
1 2 34-5 67-8 9=100
12 3-4 5 67 8 9=100
123-4-5-6-7 8-9=100
123 4-5 67-89=100
123 45-67 8-9=100
123-45-67 89=100
12-3-4 5-6 7 89=100
12 3 4 5-6-7 89=100
1 23-4 5 6 78-9=100
1 23-4 56 7 8 9=100
1 2 3-4 5 6 78 9=100
98-76 54 3 21=100
9-8 76 54-32 1=100
98 7 6-5-4-3 2-1=100
98-7-6-5-4 3 21=100
9-8 76-5 4 3 21=100
98-7 6 5 4-3-2-1=100
98 7-6 5-4 3-2-1=100
98 7-6 5-4-3 2 1=100
98-7 6 5-4 3-2 1=100
98-7 6-5 4 3 2-1=100
98 7-6-5 4 3-2-1=100
98-7-6 5 4 3 2 1=100
9 8 76 5 4-3 2-1=100
9 8 76 5-4 3 2 1=100
9-8 7 65-4 32-1=100