问题
解答题
口算.
340×6=
530×9=
5×270=
650×3=
7×120=
3×250=
850×2=
740×6=
8×380=
560×5=
答案
340×6=2040,
530×9=4770,
5×270=1350,
650×3=1950,
7×120=840,
3×250=750,
850×2=1700,
740×6=4440,
8×380=3040,
560×5=2800.
口算.
340×6=
530×9=
5×270=
650×3=
7×120=
3×250=
850×2=
740×6=
8×380=
560×5=
340×6=2040,
530×9=4770,
5×270=1350,
650×3=1950,
7×120=840,
3×250=750,
850×2=1700,
740×6=4440,
8×380=3040,
560×5=2800.