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Calculeaza:3la a2×4la a3;27-256:4la a3;9×(5+3)la a2-144;9-5:(8-3)×2+6=;reprezinta printr_ un desen expresia aritmetica de la ultimul exercitiu

Răspuns :

Spidie
3²×4³= 9×64=576
27-256÷4³= 27-256÷64=27- 4=23
 9×(5+3)²-144= 9×8² -144= 9×64 -144=576−144=432
9-5÷(8-3)×2+6=9 - 5÷5×2 +6= 9 - 1×2 +6=9- 2+6= 7+6=13