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25.32÷12=2.11
25.32+25.32÷6-25.32÷4
= 2.11×12+2.11×12÷6-2.11×12÷4
= 2.11×12+2.11×2-2.11×3
= 2.11×(12+2-3)
= 2.11×11
= 21.1+2.11
= 23.21
25.32+25.32÷6-25.32÷4
= 2.11×12+2.11×12÷6-2.11×12÷4
= 2.11×12+2.11×2-2.11×3
= 2.11×(12+2-3)
= 2.11×11
= 21.1+2.11
= 23.21
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