3 midterms in one go, no break in between

i have 3 midterms coming up next monday (calculus, french, c++). I also have a midterm this wednesday and another one right after the triple kill above. i seriously have no idea how to digest and revise them all in one go while still focusing on the midterm before and after this genocide, not to mention a research that another professor told me to do. Please help me, i seriously have no idea what to do