24×50=
14.3﹣4.03=
4.2×(-)=
:( )=
0.35÷0.7=
0.5×=
9÷3%+30%=
1﹣1÷1+1=
①36.5×25%+0.25×65.5﹣2×
②45﹣×÷
③2023×+
④(7.5+x)×2=18.5
⑤x÷=
⑥:=x:22
﹣2.8 +2.8
﹣﹣
÷
﹣0.99 0