b×y= r×r= k×9=
4.96×1.02 4.96 3.75×48 37.5×4.8 9.81÷0.9 9.81÷1.1
3.5×0.2=
10÷0.5=
6×0.25=
0.63÷+0.9=
0.99÷0.01=
1.2×4=
3.9×0.01=
10a+3a=
12×0.6=
4.6x+2.4x=
1.7+0.23=
0.56a-0.46a=
1.5×0.2=
0.32÷16=
0.42÷0.1=
0.4×0.8=
3.2÷1.6=
3.5÷0.5=
x+x+3=
3.3b+2.7b=