简便运算:(1) (5.3×3.75+3.73×3.5)÷2.2 (2) 9.6÷(4简便运算:(1) (5.3×3.75+3.73×3.5)÷2.2(2) 9.6÷(4.8×7.2+2.8×4.8)

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简便运算:(1) (5.3×3.75+3.73×3.5)÷2.2 (2) 9.6÷(4
简便运算:
(1) (5.3×3.75+3.73×3.5)÷2.2
(2) 9.6÷(4.8×7.2+2.8×4.8)