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Math problem! ! ! ! Urgent! ! ! ! . . Give points!
(1) volume = conical volume+cylindrical volume = 1/3×3. 14×(3÷2)? ×4×3/4+3. 14×(3÷2)? ×4=35.325 cubic centimeters ≈35 cubic centimeters

(2) 15× 10÷ 100 = 1.5m

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