①2.091÷1.02=
②0.2223÷0.65≈(精确到百分位)
③1.5÷0.045=(用循环小数表示)
④3.17×9.86=
720.5=36 720.5=144 72.5=48 721.5=108
1.8×23=
0.37×0.4=
1.06×25=
4×2.5÷2.5×4=
0.77÷1.1=
9.6÷16=
0.48÷0.03=
4.5+5.5×0=
6.5×1.1〇6.5 4.3÷1.2〇4.3
1.04×3.57〇35.7×0.14 0.82×0.98〇0.82
32.8×1.6= 12÷2.5= *73.8÷0.6= 验算:
40.8×7.56= 2.6×14.5=
45.9÷0.6= 51÷0.3=
96-69= 0.72+2.8= 0.125×0.8= 0.32÷0.1=
4× ÷4× = 7÷ = 1- =
403×19= -80%= ( - )×12=
687+95= 0.46+4.9=
0.5×2.4= 0.84÷0.7= 2.6× =
1.25× ×8=