2) Completeaza..si calculeaza:3)Afla termenul necunoscut:a-5x7=9x9x10
![2 Completeazasi Calculeaza3Afla Termenul Necunoscuta5x79x9x10 class=](https://ro-static.z-dn.net/files/dd7/d69dd1b9cf61076c3ce7d772ac7d75f9.png)
2). a - 5×7 = 9×9×10
a - 35 = 810
a = 810 + 35
a = 845
6 × 2 × 3 = 36
2 × 4 × 4 = 32
7 × 9 = 63
9 × 9 × 1 = 81