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W£¤¥\rGY1\rvow3. 14 x 3 x 15 = 141. 3 #GY1¦ 142 G\rY1\r7§¨$©ª«¬}z[O®0¯°±²³.\r#1& '()*# ? - # ?.\rV \ 5/ 0\r#2& '()12345!*678p9:;\r?´$²³V?`\ruow3. 14 x 3- 2 2 = 7.065 GY1\rvow9. 42 x 2 = 18. 84 GY1\row7. 065 x 2 + 18. 84 = 32.97 GY1\r?´/²³\?_\ruow3.14 x 4 + 2 2 = 12.56 #GY1\rvow12. 56 x 5 = 62. 8 GY1\row12. 56 x 2 + 62. 8 = 87. 92 #GY1\r8$µ«¶uo{.`25. 121y`41·2µ«¶k\r{¸u¹ºm«»¼½G1«»20¾¿$??¾\r¿«»?\ruow25. 12 + 3. 14 + 2 = 4 1 \r3. 14 x 4 2 = 50. 24 #G1\rvow25. 12 x 4 = 100.48 G1\row50. 24 + 100.48 = 150. 72 #G1\r«»ÀÁ 150.72 x 20 = 3014. 4 ¾¿