2.58✘2.4
55 .4✘2.4竖式计算? -
55.4×2.4=132.96,竖式计算如下图:
2.5*(2+0.4)2.5*2+2.5*0.4=5+1=6
55.4×2.4=132.96,竖式计算如下图:
2.5*(2+0.4)2.5*2+2.5*0.4=5+1=6
55.5x2.4 =133.2 竖式,
解:2.5✘2.4等于(6 )∵已知需求出2.5✘2.4等于多少X × Y = Z ∴2.5 × 2.4 = (2×10+5)10 × (2×10+4)10 = 25/10 × 24/10 = 5/2 × 12/5 = 6 答:2.5✘2.4等于6
0.28✘2.4大约等于多少? -
=0.672 大约等于0.67或0.7
36×2.4=86.4
0.208✘2.4如何列式计算? -
0.208×2.4=0.4992
1.09×2.4=2.616,答案是2.616 竖式写法如图所示:
36✘2.4竖式怎么列? -
36 X 2.4 14 4 7 2 86.4
202×2.4 =(200+2)×2.4 =480+4.8 =484.8