①
②
③
④
①4.85×100= ②45.5+0.5= ③26.8÷10=
④3.5-0.36= ⑤28.7+1.3= ⑥50-20÷5=
⑦0÷(86-47)= ⑧9×8÷9×8=
3.2×2.4=
0.32×240=
0.032×0.24=
3.12+2.57= 6.1-3.15= 0.39+7.61= 0.9-0.37=
75÷100= 12.6+1.7= 10.8-3.7= 6.73+2.27=