calculati:a) 5 intreg5supra lu 6 :3 intreg 1 supralu 3 b) (4,5 -3) totul la puterea a 2 c) 5 intreg 1supra lu 4 - 3,75 dau coroana
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a)...=20/3 : 10/3= 20/3 × 3/10=2
b)(9/2-3)²=9/2²-2×9/2×3+3²=81/4-54/2+9=81/4-108/4+36/4=(81-108+36)/4=9/4=3/2=1,5
c)...=21/4-15/4=(21-15)/4=6/4=3/2=1,5
b)(9/2-3)²=9/2²-2×9/2×3+3²=81/4-54/2+9=81/4-108/4+36/4=(81-108+36)/4=9/4=3/2=1,5
c)...=21/4-15/4=(21-15)/4=6/4=3/2=1,5
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