Ответ:
90×(-5×-5)(2×2) : 18×(-5×-5) ×2 + 0,14×(2×2) ×-5 ÷ 7×-5×2=
=(90×25×4)÷(18×25×2)+(0,14×4×-5)÷(7×-10)=
=(90×100)÷(18×50)+(0,14×-20)÷(-70)=
=9000÷900+(-2,8÷-70)=
=10+0,04=
=10,04
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Ответ:
90×(-5×-5)(2×2) : 18×(-5×-5) ×2 + 0,14×(2×2) ×-5 ÷ 7×-5×2=
=(90×25×4)÷(18×25×2)+(0,14×4×-5)÷(7×-10)=
=(90×100)÷(18×50)+(0,14×-20)÷(-70)=
=9000÷900+(-2,8÷-70)=
=10+0,04=
=10,04