口算:
26.26÷26= 4.57+6.43= 7.9×11﹣7.9= 3.14×32=
3+﹣3+= 0.1×30%= 2÷1%﹣2= ÷=
1.8×4×0.5= 1.5﹣1.5×0.3= 5.7+4.3= 1﹣25%=
18×= ×= 3.6÷12= 18÷=
÷22= ÷5= ÷1= 1﹣0.6=
0.92﹣0.2= 0.52+0.4= 0.72÷0.9= 0÷0.24=
3.3÷0.1= 1÷0.25= 0.6×5= 0.2×0.4=
0.25×36= ×3= ×12= 4÷=
÷= ÷= 10÷= 3.5+47=
0.4×12×25= 10×= 260﹣48﹣52= 3.6÷12=
18÷= 5.7+4.3= 0.25×36= ×3=
0.4×12×25=