⑴63÷3=□, 85÷4=□, 46÷2=□, 79÷ 7=□
⑵68÷4=□, 59÷3=□, 78÷5=□, 84÷6=□
⑶285÷5=□, 363÷3=□, 826÷4=□, 877÷2=□
⑷603÷3=□, 280÷2=□, 505÷5=□, 960÷8=□
⑸217÷2=□, 485÷6=□, 846÷7=□, 606÷4=□
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2