23.5-17.2+3.5怎么简便计算

23.5-17.2+3.5怎么简便计算

23.5-17.2+3.5
=23.5+3.5-17.2
=27-17.2
=27-17-0.2
=10-0.2
=9.8

23.5+3.5*9简便计算

23.5+3.5X9
=20+3.5+3.5X9
=20+3.5X(1+9)
=20+3.5X10
=20+35
=60

23.5×8-3.5÷0.125简便计算

=23.5×8-3.5×8=（23.5-3.5）×8=20×8=160

23.5-0.9-3.5-9.1的简便计算

=（23.5-3.5）-（9.1+0.9）
=23-10
=13

17.2×2.6 +17.2×7.3+ 1.72怎么简便计算

17.2×2.6 +17.2×7.3+ 1.72
=17.2×2.6 +17.2×7.3+17.2×0.1
=17.2×（2.6+7.3+0.1）
=17.2×10
=172

33.8+17.2—(33.8-17.2)简便计算

=33.8+17.2-33.8+17.2
=（33.8-33.8）+（17.2+17.2）
=0+34.4
=34.4

23.5*9.8简便计算

23.5*9.8
=23.5*（10-0.2）
=23.5*10-23.5*0.2
=235-4.7
=230.3

30-23.5+0.95怎么简便计算

30 - 23.5 + 0.95
= 6.5 + 0.95
= 7.45

17.2-3.6 6.4用简便计算怎么算

17.2-3.6 -6.4用简便计算怎么算
解：
17.2-3.6 -6.4
=17.2-（3.6+6.4）
=17.2-10
=7.2

23.5加3.5乘以9简便计算方法

23.5加3.5乘以9
=20+3.5*（1+9）
=20+35
=55
满意采纳奥