0.8×0.9=
0.4×25=
0.05×0.08=
1.4×4=
1.8×0.06=
0.32×0.2=
2.3×1.2=
1.25×0.8=
5a+6a=
a×9=
b×b=
1×m=
17c-11c=
9x+x=
a×a×5=
2m+5m-3m=
1﹣0.06= 0.32×5= 6.9÷69 0÷0.036=