Lớp 7 - Kiểm tra tháng 3

[{"l":1,"n":4,"ds":[[11,12,14,16],[6,9,5,5]],"q":1},{"l":0,"ds":[5,7,7,9,4,4]},{"n":0,"t":3},{"a":[4,-3,8],"t":0,"x":[2,-2]},{"x":4,"v":["\\frac{14}{11}","5"],"t":3},{"a":[[1,3,3],[2,1,1]],"v":[[1,2],[4,1]],"m":1},{"a":[0,3,2],"v":[[-3,1],[3,5]]},{"x":[[0,2,0],[0,2,0],[2,0,0],[2,0,0]],"v":[[-3,4],[-2,1],[5,1],[-4,1]],"l":[2,1,3],"b":[1,0,0],"a1":1,"a2":0},{"na":8,"a":16,"b":12,"c":8,"t":1,"h":2,"gt":3},[3,2,1]]

["12","6","(a+b).c","18",[0],"15","\\frac{-12}{5}y^3z^2","1","16","12;5"]