脱式计算(能简算的要简算) 70.9-48.32÷1.6 ( 1 9 - 1 12 )×36 4
脱式计算(能简算的要简算)70.9-48.32÷1.6(19-112)×36425÷[(25+13)×911]47×23+16×17+17×60....
脱式计算(能简算的要简算) 70.9-48.32÷1.6 ( 1 9 - 1 12 )×36 4 25 ÷[( 2 5 + 1 3 )× 9 11 ] 4 7 ×23+16× 1 7 + 1 7 ×60.
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(1)70.9-48.32÷1.6, =70.9-30.2, =40.7; (2)(
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=4-3, =1; (3)
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=24. |
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