1. 15.6-7/9+54%-2=
2. 14.3+5/7-66%x5=
3. 34.4-3/43+41%x3=
举个例子?
4.2×8分之4-9.3+7%5+26.12×1分之14-921/3+0.25×4+123%72分之142+36分之7×24%5×21分之7+42.195+100分之42.185514-(21.5-8.12+12分之9*7.3)
1. 15.6-7/9+54%-2=
2. 14.3+5/7-66%x5=
3. 34.4-3/43+41%x3=
1.2-0.5=0.7