①3x=2.1
②x+1.2x=17.6
③1.9x–1.4=6.2
④7(x+6.3)=54.6
0÷19.8= 0.2×0.05= 0.6×1.5= 1.36+2.87+3.64=
60×0.2=
0.48÷6=
10÷0.05=
0.05×20=
0.5×0.6=
0÷7.12=
6.8+0.02=
3﹣1.9=
2.7÷1=
12.5×8×4=
22.5÷18= ★8.4÷0.56=验算:
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
5 6 1 0