34.5÷0.6=÷6
6.84÷7.2=÷72
19.76÷5.2=÷52
0.621÷0.03=÷3
3.8÷1.23.8 0.27÷0.990.27
0÷8.98.9 0.85÷10.85
①x-4.8=19.22
②4.34+x=6.17
③2(x+2x)=42
④(x+1.7)÷3=1.4
⑤3.6x=2.88
⑥8x-5x=27