跳至內容
- 31+5=
- 21+12=
- 21-12=
- 12×12=
- 12384×0=
- 12384÷0=
- 144/3=
- 144:4=
- 13*13=
- 3×4=4×○,○是多少
- 3×(2+4)=(4+○)×3,○是多少
![{\displaystyle {\frac {1}{2}}+{\frac {1}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/6f6abf9a916175d9da5335cf94bc83ca5d985d26)
![{\displaystyle {\frac {1}{2}}-{\frac {1}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/59731569d7a513f1f7dee9170f529c6a57c99189)
![{\displaystyle {\frac {1}{2}}*{\frac {1}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/bc36af2227e247a613c4fddb67e24169f597dc96)
![{\displaystyle 1{\frac {1}{2}}*{\frac {2}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/128b0620f678cb93cb87c7d22a9c2ac668e1a120)
![{\displaystyle 1{\frac {1}{2}}\div {\frac {2}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f4c39bd498d8e43824c82b4f7cac4019d9671eba)
![{\displaystyle 2{\frac {1}{3}}/{\frac {3}{4}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4b66b442df7567e60851bee67ff262689989b21d)
- 3.2+4.33=
- 36.36-5.05=
- 0.22-0.1=
- 0.22×0.33=
- 0.4÷0.2=
- 0.2x+1.3x=
- 1.5y-0.6y=
- 2+(-5)=
- 4-(-3)=
- 7*(-3)=
- -4*(-5)=
- 4÷(-2)=
- -16÷(-4)=
![{\displaystyle -3*{\frac {3}{4}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/18464123bdb4ce329bcce6305853d2f5c5751ca7)
![{\displaystyle -1{\frac {1}{2}}*{\frac {3}{2}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/73b6502cfbf5dc22d84a24843ed28fbad67d0681)
![{\displaystyle 2{\frac {2}{3}}\div (-{\frac {2}{3}})=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/fd03105e30873c734590f900976447c966f67480)
![{\displaystyle (-{\frac {5}{7}})/({\frac {3}{7}})=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f4db57b2e5bf02651e5963884a99b8eef14d3138)
- 36-55-(-6)=
- 238+37×2-(-74)=
- [(-12)-(-9)]÷[(-7)+4]=
- (-40)÷2+5×4=
- 14÷(-7)-6÷(-5)=
- [(-8)+(-4)]×[(-12)÷(-6)]=
- 36-555+211×5-555=
![{\displaystyle 3{\frac {5}{12}}\times 2.4\div 4{\frac {1}{10}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/98aed9d6d7ca304ef5f5113667ba342147febd48)
![{\displaystyle {\frac {11}{15}}\div 2{\frac {4}{9}}-0.7=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/5467d33465eeb290293140a8521c0ca5ae46286b)
![{\displaystyle {\frac {11}{18}}\div {\frac {4}{21}}\times {\frac {1}{11}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/ff8c900c0e27913b35cc163d65e3a0f1e8e84f95)
![{\displaystyle (-{\frac {1}{2}})\times 2{\frac {2}{5}}+{\frac {2}{3}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c6be4affd7af9f785f842172fe7244acad2c2fff)
![{\displaystyle ({\frac {9}{11}}-{\frac {1}{4}})\div (180\times {\frac {1}{5}}-11)=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/6c38c191caead7445ba80dd10c5f28db1014b1cf)
![{\displaystyle 3-{\frac {3}{14}}\div {\frac {5}{7}}=}](https://wikimedia.org/api/rest_v1/media/math/render/svg/5cb961c29419a481c869b0544500f59a600e10a0)
- 3x+45=7 求x值
- 2y-7=8 求y值
- 3x+2y+0.7y=4 化簡
- -6(-6x+2y)+5x+2y=4 化簡
- 求比60與15的積除以36與11的差少11的數。
- 依依的媽媽買水果,蓮霧一斤的價格是橘子一斤價格的 2 倍。若各買 10 斤,總價差 150 元,求蓮霧和橘子一斤的價格。
- 餐飲店販售的餐盒,有每個售價 50 元的排骨餐盒與每個 60 元的雞排餐盒兩種。某日,老闆賣了 280 個餐盒,共收款 13,500 元。老闆懷疑收款可能不對,你可以幫老闆解開他的疑惑嗎?