Question

36*(9 – 72:3) + 28 =
(-36*9 +81) : 9+ 280 =
36*(9 – 81): 9 + 280 =
36*9 – (81:9-28) =
И решения распишите))

Answer 1

$1) 36*(9- 72:3) + 28 =-512 \ .72/3=24 \ .9-24=-15 \ .36*(-15)=-540 \ .-540+28=-512 \ \ 2)(-36*9 +81) : 9+ 280 =253 \ .-36*9=-324 \ -324+81=-243 \ -243/9=-27 \ -27+280=253 \ \ 3)36*(9 - 81): 9 + 280 = -8 \9-81= -72 \ -72*36= -2592 \ -2592/9=-288 \ -288+280=-8 \ \ 4)36*9 - (81:9-28) =343 \ 81/9=9 \ 9-28=-19 \ 36*9=324 \ 324+19=343$