0.99+0.1= 0.35× = 0.75÷75%= 3.14×82=
2.7- = ÷8= 15×6÷15×6= ÷ ×0=
0.19+0.1= 20×70%= 1﹣= 2.7×4×2.5=
7.53﹣0.03= += +×0= 0.99÷0.1=
135+398= 0.14×50= 3﹣2÷7=
48×12.5%= 1.25×9×8= ﹣ =
7× ÷7× = ÷ =
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =
654﹣546=
0.2÷=
7.58﹣3.8=
×5.6+9=
×≈
0.36÷0.3=
2.4×0.5=
﹣=
3×÷=
1÷+1÷=
= 2.4×5= = 0.32=
= = =
够□ 不够□
口答:一共要用( )元钱。
口答:她买了( )。
480÷60= 3.72+6.28= +×1=
235+99= ﹣= 12×÷12×=