76×20= 514﹣300= 3.4+6= 9÷9%= 24×=
÷= 62= 8.7+= ﹣0.8= ﹣×0=
2021+100=
102﹣18=
25×24=
+=
0.26-0.22=
2.74﹣1.4=
3.6÷2=
×=
6.4÷80%=
15×=
80×30%=
× =
× ÷ × =
3.14×4²=
4000×87.5%=
84÷(1﹣30%)=
420﹣298= 4+5.6= = =
0.25×0.4= 0.133= = =
﹣0.5= +3= ×= 0.8×=
0.23+177%= 2.5×40= 1÷= ×÷×=