①18.82+5.7=
②108-18.57=
③12.54-1.83=
④103+7.26=
⑤48.35-29.85= 验算:
⑥12.9+5.01= 验算:
1.25÷0.5= 2.3×0.4= 0.081÷0.9= 1.7×1.99÷1.7=
0.4×2.5= 4.9÷0.07= 2.5×11= 0.03÷15=
6x=1.5
5x+0.5x=33
0.8(x+3)=9.6
(支)