数学题(问号代表要填的数字)16.86 -(4.7 * + 5.3 * )= 0.8615.75 - ( 2.5 + 7.5 ) * =0.756.3 * [ (1.4+ ) / 1.12 - 1.2 ] = 7.56

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数学题(问号代表要填的数字)16.86 -(4.7 * + 5.3 * )= 0.8615.75 - ( 2.5 + 7.5 ) * =0.756.3 * [ (1.4+ ) / 1.12 - 1.2 ] = 7.56
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数学题(问号代表要填的数字)16.86 -(4.7 * + 5.3 * )= 0.8615.75 - ( 2.5 + 7.5 ) * =0.756.3 * [ (1.4+ ) / 1.12 - 1.2 ] = 7.56
数学题(问号代表要填的数字)
16.86 -(4.7 * + 5.3 * )= 0.86
15.75 - ( 2.5 + 7.5 ) * =0.75
6.3 * [ (1.4+ ) / 1.12 - 1.2 ] = 7.56

数学题(问号代表要填的数字)16.86 -(4.7 * + 5.3 * )= 0.8615.75 - ( 2.5 + 7.5 ) * =0.756.3 * [ (1.4+ ) / 1.12 - 1.2 ] = 7.56
16.86 -(4.7 *1.6+ 5.3 * 1.6)= 0.86
15.75 - ( 2.5 + 7.5 ) * 1.5 =0.75
6.3 * [ (1.4+ 1.288 ) / 1.12 - 1.2 ] = 7.56

16.86 -(4.7 * ?+ 5.3 * ?)= 0.86 ?=1。6
15.75 - ( 2.5 + 7.5 ) * ? =0.75 ?=1。5
6.3 * [ (1.4+ ? ) / 1.12 - 1.2 ] = 7.56 ?=1