有Ｄ數學５識計ａｒ！！！！(3)
2017/06/29 07:14
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標題:
發問:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 = ??? 2. 63.9 ÷ 3 - 25.8 x 0.2 = ??? 3. 3.6 x 8 - 5.4 ÷ 5 = ??? 4. ( 1.8 + 10.3 ) x 0.5 - 2.38 = ??? 5. ( 1 - 0.72 ) ÷ 1.4 = ??? 6. ( 4.2 - 0.6 ) x ( 1.43 + 0.17 ) = ???
最佳解答:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 =12.7-6+6.7 =13.4 2. 63.9 ÷ 3 - 25.8 x 0.2 =21.3-5.16 =13.14 3. 3.6 x 8 - 5.4 ÷ 5 =28.8-1.08 =27.72 4. ( 1.8 + 10.3 ) x 0.5 - 2.38 =12.1x0.5-2.38 =6.05-2.38 =3.67 5. ( 1 - 0.72 ) ÷ 1.4 =0.28 ÷1.4 =0.2 6. ( 4.2 - 0.6 ) x ( 1.43 + 0.17 ) =3.6x1.6 5.76
其他解答:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 = 13.4 2. 63.9 ÷ 3 - 25.8 x 0.2 = 16.14 3. 3.6 x 8 - 5.4 ÷ 5 = 27.72 4. ( 1.8 + 10.3 ) x 0.5 - 2.38= 3.67 5. ( 1 - 0.72 ) ÷ 1.4 = 0.2 6. ( 4.2 - 0.6 ) x ( 1.43+0.17 )=5.76|||||1/ 13.4 2/ 16.14 3/ 27.72 4/ 3.67 5/ 0.2 6/ 5.76|||||1)13.4 2)16.14 3)27.72 4)3.67 5)0.2 6)5.76
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有Ｄ數學５識計ａｒ！！！！(3)發問:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 = ??? 2. 63.9 ÷ 3 - 25.8 x 0.2 = ??? 3. 3.6 x 8 - 5.4 ÷ 5 = ??? 4. ( 1.8 + 10.3 ) x 0.5 - 2.38 = ??? 5. ( 1 - 0.72 ) ÷ 1.4 = ??? 6. ( 4.2 - 0.6 ) x ( 1.43 + 0.17 ) = ???
最佳解答:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 =12.7-6+6.7 =13.4 2. 63.9 ÷ 3 - 25.8 x 0.2 =21.3-5.16 =13.14 3. 3.6 x 8 - 5.4 ÷ 5 =28.8-1.08 =27.72 4. ( 1.8 + 10.3 ) x 0.5 - 2.38 =12.1x0.5-2.38 =6.05-2.38 =3.67 5. ( 1 - 0.72 ) ÷ 1.4 =0.28 ÷1.4 =0.2 6. ( 4.2 - 0.6 ) x ( 1.43 + 0.17 ) =3.6x1.6 5.76
其他解答:
1. 12.7 - 8.4 ÷ 1.4 + 6.7 = 13.4 2. 63.9 ÷ 3 - 25.8 x 0.2 = 16.14 3. 3.6 x 8 - 5.4 ÷ 5 = 27.72 4. ( 1.8 + 10.3 ) x 0.5 - 2.38= 3.67 5. ( 1 - 0.72 ) ÷ 1.4 = 0.2 6. ( 4.2 - 0.6 ) x ( 1.43+0.17 )=5.76|||||1/ 13.4 2/ 16.14 3/ 27.72 4/ 3.67 5/ 0.2 6/ 5.76|||||1)13.4 2)16.14 3)27.72 4)3.67 5)0.2 6)5.76
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