80×30%=
× =
× ÷ × =
3.14×4²=
4000×87.5%=
84÷(1﹣30%)=
0.98+9.2=
4.6÷0.1=
0.2×25=
7.5+2.5÷5=
6.8×(101﹣1)=
2﹣=
+=
2.7÷=
2﹣﹣=
3×÷3×=
24÷3%=
2400÷150÷2=
0.2×54=
0.052=
36×25%=
12.6÷3=
7.3﹣3=
23×489≈
9.1+0.09=
﹣ = + = 0.25+ = ﹣ = 4×2.5=
0×98.56= 45×11= 0.85﹣15%= 0.65×101﹣0.65=
×10÷ ×10=
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =
(1)24+42=
(2) ﹣ =
(3)0.56÷0.7=
(4) ×0+ =
(5)20%×5=
(6) ×6=
(7)9.9n+0.1n=
(8)1÷0.25÷40=