45×30=
12.6÷0.3=
15×10=
15×=
0.4×0.2=
=
1.5a-a=
0.25×0.125×8=
7.5×100=
1.3+2.4=
25×40=
630÷90=
4.8×=
÷14=
10-2.3= 2.4×50= 366+44= 0.18÷18= +50%=
3.5÷0.5= 708-129= 1- = 0.6+5.34= 15×( - )=