(五年级下册)用递等式计算.能用简算的要简算.2.37-0.85-1.15,104*2.5,3.76*0.1/
问题描述:
(五年级下册)用递等式计算.能用简算的要简算.2.37-0.85-1.15,104*2.5,3.76*0.1/
3.76*0.1、解方程:6.7+x=2.9*4.5、X-0.85X=4.5、5X-2.3*4=5.我今晚就要,
答
2.37-0.85-1.15
=2.37-(0.85+1.15)
=2.37-2
=0.37