10﹣=
5.7÷0.19=
1.74+2.6=
35﹣+=
3×10%=
÷=
3.14×9=
×5÷×5=
700﹣16×5 589+659﹣289
8×4×12.5×2.5
40×25%= 1.03×10= 3×45= 1÷10%= 2.8×=
1.57﹣0.85= 0.49÷0.7= 3.05+6.2= 0.6:0.75= kg:40g=
1﹣0.36=
4×25=
9÷10%=
35×80=
÷2=
1÷ - ÷1=
8×1.25=
( + )×12=
0.32=
4.8a+0.2a=
2.07+0.3=
21×498≈
1.2×0.3= -= 32÷53×0=
0.25÷= 1﹣0.09= +20%=
4321+500= 13.2-5.2= × = 0.2×1.4=
8÷25%= + = 2.4÷ = ÷ =