\(1,\\ a,=3^{5+7}=3^{12}\\ b,=2^{10-3}=2^7\\ c,=2^2\cdot5^3\cdot2\cdot5=2^3\cdot5^4\\ d,=\left(3^5\cdot7^2\cdot7^2\right):\left(3^3\cdot7^3\right)=3^2\cdot7\\ 2,\\ a,=16\cdot5-2^4:2^2=80-2^2=76\\ b,=3\left(5^2+3\cdot4\right)=3\left(25+12\right)=3\cdot37=111\\ c,=49\cdot4+4\cdot6=4\left(49+6\right)=4\cdot55=220\\ d,=4^2\left(19-15\right)=4^2\cdot4=4^3=64\\ e,=249-200+36=85\\ f,=24-18:9+30=54-2=52\\ g,=36-12+48=72\\ h,=36-12+21=45\)
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