526﹣198= 0.32×2.5= n×n= kg:240g=
24×+= 2.6+1.98= -= 1.6÷25%=
÷= ×÷×0=
①375+625÷25
②1.25×25×3.2
③48×( + ﹣ )
④101×110﹣37﹣73
⑤4÷ ﹣ ÷4
⑥36÷[1﹣( ﹣ )]
4
7
3
2
6
9
1
8
5