
用递等式计算: (1)3.97+0.7-1.32 (2)
用递等式计算:(1)3.97+0.7-1.32(2)30-(3.8+0.75)(3)(132-17)÷(31-8)...
用递等式计算: (1)3.97+0.7-1.32 (2)30-(3.8+0.75) (3)(132-17)÷(31-8)
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(1)3.97+0.7-1.32,
=4.67-1.32,
=3.35;
(2)30-(3.8+0.75),
=30-4.55,
=25.45;
(3)(132-17)÷(31-8),
=115÷23,
=5.
=4.67-1.32,
=3.35;
(2)30-(3.8+0.75),
=30-4.55,
=25.45;
(3)(132-17)÷(31-8),
=115÷23,
=5.
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