4.Calculați:
a)56×3-(36÷9+13)=
b) 256-88÷(2×3+5)=
c)457-357÷(2+3×5)= d)345÷20+369÷123=
e)(2003×5-10×11×84)÷25=
f)(370-130+40)÷70+38=
Va rog ajutati-ma urgent!
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