①87.5÷2.5=
②1.442÷0.7=
③39÷2.6=
④21.7÷7=
⑤62.9÷17=
⑥9.5÷0.5=
402÷6=
4002÷6=
40002÷6=
400002÷6=
4000002÷6=
40000002÷6=
98×9+ 6=
987×9+5=
9876×9+4=
98765×9+3=
987654×9+2=
9876543×9+1=
1-0.92= - = ×3.2= ÷ ×5=
3.5+4.28= × = ÷ = 99×0.9+0.9=
①75.6×27﹣170×7.56
②
③
④