问题
填空题
计算:21.49+52.37-0.4+5.51-11.37-6.6=______.
答案
21.49+52.37-0.4+5.51-11.37-6.6,
=(21.49+5.51)+(52.37-11.37)-(0.4+6.6),
=27+41-7,
=(27-7)+41,
=10+41,
=61.
故答案为:61.
计算:21.49+52.37-0.4+5.51-11.37-6.6=______.
21.49+52.37-0.4+5.51-11.37-6.6,
=(21.49+5.51)+(52.37-11.37)-(0.4+6.6),
=27+41-7,
=(27-7)+41,
=10+41,
=61.
故答案为:61.