Question

7.2+1/8怎么算

Answer 1

7.2+1/8怎么算

3 2=7 3*2+（3-2）=7 5 4=23 5*4+（5-2）=23 7 6=47 7*6+（7-2）=47 9 8=79 9*8+（9-2）=79 10 9=10*9+（10-2）=98 答案98

7.2*14.3/(8*11)怎么算

7.2*14.3/(8*11)
=（7.2÷8）×（14.3÷11）
=0.9×1.3
=1.17

7.2/ (x+8)=0.3怎么算

7.2÷（×+8）=0.3
解： ×+8 =7.2÷.3
×+8 =24
× =24-8
× =16

（7.2*40.2/1.25）/[（1-1/5）*72]怎么算?

=7.2*40.2/1.25/0.8/72
=(7.2/72)*40.2/(1.25*0.8)
=0.1*40.2/1
=4.02

7.2×3+27.2×8-7.2×1怎么做简便运算

7.2×3+7.2×8-7.2×1
=7.2×(3+8-1)
=7.2×10
=72

7.2×1/3×1/8×1/9用简便演算法

=7.2*1/8*1/9*1/3
=7.2*1/72*1/3
=0.1*1/3
=1/30

93.8/8-0.125+7.2*1/8

93.8/8-0.125+7.2*1/8
=93.8*1/8+7.2*1/8-0.125
=1/8(93.8+7.2)-0.125
=12.5

简便计算[16.5*7.2+55/7/(12.5% 1/8)]*(20%+1/3)

？(12.5% 1/8)?

x-1/2x=7.2这个怎么算？

x-1/2x=7.2
1/2x=7.2
x=7.2*2
x=14.4