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7.NS.A.1

有理数的加法和减法

应用运算属性来加减有理数，包括在数轴上。

年级水平: 七年级 · 领域: 数字系统

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与 0 对齐的游戏

通过这些免费游戏来练习这个标准。

Play Micro Armor Defense - 免费数学游戏移动就绪Micro Armor DefensePlay Military Defense - 免费数学游戏移动就绪Military DefensePlay Mine - base defenses - 免费数学游戏移动就绪Mine - base defensesPlay Mine Fight! Cut Mob Army! - 免费数学游戏移动就绪Mine Fight! Cut Mob Army!Play Minefighters - 免费数学游戏移动就绪MinefightersPlay Mine: Noobers build a base - 免费数学游戏Mine: Noobers build a basePlay Minimalist Tower Defense - 免费数学游戏Minimalist Tower DefensePlay Missiles and Drones: A Strike On A Military Base - 免费数学游戏移动就绪Missiles and Drones: A Strike On A Military BasePlay Mobile Defense: Zombie Attack - 免费数学游戏Mobile Defense: Zombie AttackPlay Monster legends - 免费数学游戏移动就绪Monster legendsPlay Monsters Vs Dragons - 免费数学游戏移动就绪Monsters Vs DragonsPlay Monster War Era - 免费数学游戏移动就绪Monster War EraPlay Mosquitoes VS Humans - 免费数学游戏移动就绪Mosquitoes VS HumansPlay Mr Beast, You Protect $500k and You'll Get It! - 免费数学游戏移动就绪Mr Beast, You Protect $500k and You'll Get It!Play Mr. Mafia - 免费数学游戏移动就绪Mr. MafiaPlay Murder - 免费数学游戏MurderPlay My Mini Commander - 免费数学游戏移动就绪My Mini CommanderPlay Mythical Battles - 免费数学游戏Mythical BattlesPlay Napoleon's Square - 免费数学游戏移动就绪Napoleon's SquarePlay Nature attacks - 免费数学游戏移动就绪Nature attacksPlay Naval battle. The cornhusker. - 免费数学游戏Naval battle. The cornhusker.Play Naval war ships are attack! Tower base defense - 免费数学游戏移动就绪Naval war ships are attack! Tower base defensePlay New Hybrid mod. Plants vs Zombies - 免费数学游戏移动就绪New Hybrid mod. Plants vs ZombiesPlay Noob: Base protection (co-op) - 免费数学游戏移动就绪Noob: Base protection (co-op)Play Noob defends the village - 免费数学游戏移动就绪Noob defends the villagePlay Noob Defend the Tower: MasterCraft - 免费数学游戏移动就绪Noob Defend the Tower: MasterCraftPlay Noob: Mob Attack - 免费数学游戏Noob: Mob AttackPlay Noob protects the school - 免费数学游戏移动就绪Noob protects the schoolPlay Noob Shooter Girl Defense - 免费数学游戏移动就绪Noob Shooter Girl DefensePlay The Night Keeper - 免费数学游戏移动就绪The Night Keeper

该领域的更多标准

数字系统