第4页:(本页第2题有2小题)
1:5.5 0 268 9 0.02 11.4 2.3 558 6.12 9.02 (横的排)
2:0 4 3 3 1 1(表格数)
12
98 58 980 82 84
3:6a+13a 6x-28-2.5x+30.5 8a-(5a+8a) (5x+7)-(4x+0.18)
=19a =3.5x+2.5 =3a+8a =1x+7.18
第4页:(本页第2题有2小题)
1:5.5 0 268 9 0.02 11.4 2.3 558 6.12 9.02 (横的排)
2:0 4 3 3 1 1(表格数)
12
98 58 980 82 84
3:6a+13a 6x-28-2.5x+30.5 8a-(5a+8a) (5x+7)-(4x+0.18)
=19a =3.5x+2.5 =3a+8a =1x+7.18