1.6+0.4=
12×3=
0.45÷9=
1﹣0.35=
18×=
1﹣=
=
125×8.8=
一桶油30千克,用去 , 还剩几分之几?
2.3×6= 6.5÷0.01= 0.36÷0.4= +=
0.82= 1.2×= -= 4.3÷2.5÷4=
7.15﹣1.5= +0.25=
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =
1﹣0.01=
1+2.5%=
3.3﹣=