Lớp 7 - Kiểm tra tháng 3

[{"l":2,"n":4,"ds":[[6,7,8,10],[9,7,6,8]],"q":1},{"l":1,"ds":[154,160,153,152,158]},{"n":4,"t":2},{"a":[2,4,-9],"t":1,"x":[-4,1]},{"x":7,"v":["\\frac{1}{4}","\\frac{4}{7}"],"t":4},{"a":[[3,2,0],[2,0,1]],"v":[[2,3],[-2,1]],"m":0},{"a":[0,3,0],"v":[[3,1],[4,1]]},{"x":[[2,0,0],[2,0,0],[0,3,0],[0,3,0]],"v":[[2,1],[2,1],[4,1],[3,1]],"l":[2,3,1],"b":[1,0,0],"a1":0,"a2":1},{"na":1,"a":6,"b":8,"c":8,"t":2,"h":1,"gt":4},[3,2,1]]

["6","155.4","e.m","-13",[0],"13","7y^3","4","10","12;5"]