Question

7.8-4.6+3.2-5.4这道题如何简算

Answer 1

7.8-4.6+3.2-5.4这道题如何简算

7.8-4.6+3.2-5.4
＝（7.8+3.2）-（4.6+5.4）
＝11-10
＝1

36×10.39这道题如何简算？

把10.39拆成10+0.39
希望给予采纳，谢谢！如有疑问请追问。

59×107这道题如何简算

=(60-1)×107
=60×107-107
=6420-107
=6313

求这道题如何简算

41.2*8.1+11*9.25+53.7*1.9
=41.2*8.1+11*9.25+(41.2+12.5)*1.9
=41.2*8.1+41.2*1.9+12.5*1.9+11*(1.25+8)
=41.2*(8.1+1.9)+12.5*1.9+1.1*12.5+88
=41.2*10+12.5*3+88
=412+88+37.5
=500+37.5
=537.5

4.6×12加0.3这道题怎么简算

4.6×12+0.3
=4.6x40x0.3+0.3
=184x0.3+0.3x1
=0.3x(184+1)
=0.3x185
=55.5
希望帮到你 望采纳 谢谢 加油

如何简便计算这道题

把56/57写成1-1/57 然后开启

46*11/131+17*22/131+220/131这道题如何简算

22(23+17+10)/131=1100/131
采纳哦

14.72—9.9这道题如何简算大神们帮帮忙

14.72－9.9 =14.72－﹙10－0.1﹚ =14.72－10＋0.1 =4.72＋0.1 =4.73

（1/2+1/7）*2*7 这道题如何简算？分数乘法

原式=1/2*2*7+1/7*2*7=7+2=9

17.6×5.4+4.5×17.6-1.76这道题怎么简算

=1.76×54+1.76×45-1.76
=1.76×（54+45-1）
=1.76×98
=1.76×100-1.76×2
=176-3.52
=172.48