1. Вычислить. 47+56:14= 78+600:3= 56+420:7= 184+72:9= 790-400:2= 16(60:10)= 840:2:6= 980:2+720:8= 23.(80:40)=

1. Вычисления:

1. \( 47 + 56 : 14 = 47 + 4 = 51 \)
2. \( 78 + 600 : 3 = 78 + 200 = 278 \)
3. \( 56 + 420 : 7 = 56 + 60 = 116 \)
4. \( 184 + 72 : 9 = 184 + 8 = 192 \)
5. \( 790 - 400 : 2 = 790 - 200 = 590 \)
6. \( 16 \cdot (60 : 10) = 16 \cdot 6 = 96 \)
7. \( 840 : 2 : 6 = 420 : 6 = 70 \)
8. \( 980 : 2 + 720 : 8 = 490 + 90 = 580 \)
9. \( 23 \cdot (80 : 40) = 23 \cdot 2 = 46 \)

Ответ: 51, 278, 116, 192, 590, 96, 70, 580, 46.