\[\boxed{\text{119.}}\]
\[\boxed{\text{120.}}\]
\[700 + 40 = 740\]
\[560 + 40 = 600\]
\[320 + 40 = 360\]
\[900 + 40 = 940\]
\[430 + 40 = 470\]
\[700 - 20 = 680\]
\[560 - 20 = 540\]
\[320 - 20 = 300\]
\[900 - 20 = 880\]
\[430 - 20 = 410\]
\[\boxed{\text{121.}}\]
\[560 + 40 = 600\]
\[900\ г - 200\ г = 700\ г\]
\[360 - 40 = 320\]
\[490\ кг - 120\ кг = 370\ кг\]
\[370\ р.\ - 80\ р. = 290\ р.\]
\[1000 - 500 = 500\]
\[\boxed{\text{122.}}\]
\[170 + 130 + 300 + 400 = 1000\]