直接写出得数。
9.12+4.5+0.88= 8.43+2.97+0.03= 10-2.75-0.25=
4.9+4.9-0.9-0.9= 5.6+2.7-3.6= 15.25-3.1+0.75-4.9=
直接写出得数。
9.12+4.5+0.88= 8.43+2.97+0.03= 10-2.75-0.25=
4.9+4.9-0.9-0.9= 5.6+2.7-3.6= 15.25-3.1+0.75-4.9=