43.9÷0.9843.9 3.9÷1.13.9×1.1
0.3x+0.8x=
0.7×0.7=
0.13×0.4=
0.25×4=
0.45÷0.09=
6.5÷0.01=
x-0.2x=
1÷0.25=
0.75×2.4 36.5÷0.25
x+4.7=8.5 0.2x-3.6=9
9x+4×2.5=91 4.2x+2.5x=134
0.6×15.8-6×0.58 12.5×[(23.5+8.5)÷4]