23.8-6.5-13.8简便计算
23.8-6.5-13.8简便计算
=23.8-13.8-6.5
=10-6.5
=3.5
23.8-6.5-13.8=?简便计算
23.8-6.5-13.8
=23.8-13.8-6.5
=10-6.5
=3.5
23.8-6.5-13.8筒便方法
23.8-6.5-13.8
=23.8 - 13.8 - 6.5
=10 - 6.5
=3.5
希望我的回答对您有帮助,满意请采纳,谢谢。
简便计算:23.8-16.74+4.29
简便计算:23.8-16.74+4.29
:23.8-16.74+4.29
=7.06+4.29
=10.35
直接计算
23.8*98+47.6简便计算
23.8*98+47.6 =23.8*98+23.8*2 =23.8*(98+2) =2380 3.68*25.1+36.8*6.38+0.368*114 =3.68*25.1+36.8*6.38+36.8*1.14 =36.8*(25.1+6.38+1.14) =36.8*32.62 =1200.416
简便计算23.8x101-23.8
解:采用提取公因式的简便方法,
原式=23.8x101-23.8
=23.8×(101-1)
=23.8×100
=2380
(13.8+9.2)×10.8(简便计算)
让13.8×10.8+9.2×10.8
13.8*6.13+61.3*8.62简便计算
13.8*6.13+61.3*8.62
=1.38x61.3+61.3x8.62
=(1.38+8.62)x61.3
=10x61.3
=613
简便计算8.43×13.8-84.3×0.38
8.43×13.8-84.3×0.38
=8.43x(13.8-3.8)
=8.43x10
=84.3
6.5×102简便计算
原式=6.5x(100+2)=6.5x100+6.5x2=650+13=663,运用的是乘法分配法