196﹣69=
× =
÷ =
6.22+44.78=
6÷2%=
3﹣3÷7=
+ =
+ ÷ =
598+403≈
0.125×3.2=
24÷ =
0.5×0.6÷0.5×0.6=
1.6×0.5=
0.8+2.2=
23=
16÷ =
①3248÷16﹣8.4×2.5
②4.8×(+﹣)
③2.5×96
④64.8÷(22.4﹣1.7﹣15.3)
⑤×[14÷(﹣)]
⑥(+)÷×3.6