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dau coroana cadou prietenii​

Dau Coroana Cadou Prietenii class=

Răspuns :

a) 3×2×7=6×7=42

40:5:4=8:4=2

b) 4×2×7=8×7=56

42:7:3=6:3=2

c) 7-9×3+16:4=7-27+4=24

(15-6×2)+8×6=(15-12)+48=3+48=51

d) 36+8×3-6×7=36+24-42=60-42=18

72:8+(24-3×7)=9+(24-21)=9+3=12

3×2×7 =42, 40÷5÷4=2,

4×2×7=56,42÷7÷3=2,

71-9×3+16:4=68,(15-6×2) +8×6=50,

36+8×3-6×7=18,72÷8+(24-3×7)=12