24+35=35+ 12×24=24×
34+=56+ 23×48=×
△+○=+ △×○=×
870万、850万、830万、、。
859004859400
7000000007亿
306÷29 9
87 ×999000
①608×79=
②966÷69=
③※490×76=
④707÷36=
⑤350×80=
⑥※867÷28=
>>>
1-0.92= - = ×3.2= ÷ ×5=
3.5+4.28= × = ÷ = 99×0.9+0.9=