0.65+4.35=
1.2÷60%=
36×25%=
99×0.8+0.8=
910-540=
3.75:x=3:12 (x-0.6)× =2.25 25%: =x:
∶( )=0.5
0.04∶1=( )∶50
56-29=
2.3×100=
7.5÷0.1=
2.5×0.4=
8×125%=
4:1.6=(比值)
3.14×11-3.14= 0.22= 0.9÷0.01=
0.2- = 0.5×= 3÷×3=
100×÷0.1= ×3÷×3= 157÷3.14=