PRINT PRINT "バネの伸び L=g*m/k" PRINT "バネ定数 k=10 くらい" PRINT INPUT PROMPT "バネ定数は? ":k INPUT PROMPT "ぶら下げる重りの質量? ":m PRINT LET g=9.80665 LET L=g*m/k PRINT "伸び =";L;"m" PRINT END