Question

82. Efectueaza 80:8+5x15-49:7= 54:9+20x6+72:8= 100-63:7+52 x 4 = 420 +25 x 8-100:10 =​

Answer 1

Răspuns:

Explicație pas cu pas:

80 : 8 + 5 × 15 - 49 : 7

= 10 + 75 - 7

= 85 - 7

= 78

____________

54 : 9 + 20 × 6 + 72 : 8

= 6 + 120 + 9

= 126 + 9

= 135

____________

100 - 63 : 7 + 52 × 4

= 100 - 9 + 208

= 91 + 208

= 299

____________

420 + 25 × 8 - 100 : 10

= 420 + 200 - 10

= 620 - 10

= 610

Answer 2

Salut!

80:8+5*15-49:7=10+75-7=85-7=78
54:9+20*6+72:8=6+120+9=126+9=135
100-63:7+52*4=100-9+208=91+208=299
420+25*8-100:10=420+200-10=620-10=610