问题
解答题
脱式计算,能简算的要简算.
0.88×4.9+5.1×0.88
4.7×10.23.24×1.6÷0.27.
答案
(1)0.88×4.9+5.1×0.88,
=0.88×(4.9+5.1),
=0.88×10,
=8.8;
(2)4.7×10.2,
=4.7×(10+0.2),
=4.7×10+4.7×0.2,
=47+0.94,
=47.94;
(3)3.24×1.6÷0.27,
=5.184÷0.27,
=19.2.