2.Resolva as operações matemáticas:
1)8.298×5=
2)5.726×3=
3)5.408×9=
4)8.487×5=
5)5.047×6=
6)8.732×8=
7)4.456×9=
8)2.340×8=
9)4.840×7=
10)6.069×6=
11)3.265×2=
12)6.889×3=
​