Question

Observă, apoi calculează:
3x4:2+ 20 =
49 x 15 +81:9=
85 - 24:4x9= 63:7-3x3=
99-9:9x9x9= 36 + 18:2-2 x 6 =
12:4+25 x 36 -6x1=
153 - 80:8 + 52 x 46 =
25 x 4 - 100:10 + 10 =
Plsss ajutor

Answer 1

Răspuns:

3×4:2+20=12:2+20=6+20=26

49×15+81:9=2205+9=2214

85-24:4×9=85-6×9=85-54=31

63:7-3×3=9-9=0

99-9:9×9×9=99-1×81=99-81=18

36+18:2-2×6=36+9-12=45-12=33

12:4+25×36-6×1=3+900-6=903-6=897

153-80:8+52×46=153-10+2392=143+2392=2535

25×4-100:10+10=100-10+10=100