问题
填空题
计算:24+63+52+17+49+81+74+38+95=______.
答案
24+63+52+17+49+81+74+38+95,
=24+(63+17)+(52+38)+(49+81)+74+95,
=24+80+90+130+74+95,
=24+(170+130)+169,
=24+300+169,
=493.
故答案为:493.
计算:24+63+52+17+49+81+74+38+95=______.
24+63+52+17+49+81+74+38+95,
=24+(63+17)+(52+38)+(49+81)+74+95,
=24+80+90+130+74+95,
=24+(170+130)+169,
=24+300+169,
=493.
故答案为:493.