60+15%=?1-30%=?0.9+15%=?37.5%÷12.5%=?12÷(1-50%)=?1.2×25%+2.8×2=?
问题描述:
60+15%=?1-30%=?0.9+15%=?37.5%÷12.5%=?12÷(1-50%)=?1.2×25%+2.8×2=?
答
60+15%=60.15
1-30%=0.7
0.9+15%=1.05
37.5%÷12.5%=3
12÷(1-50%)=24
1.2×25%+2.8×2=0.3+5.6=5.9