8分之5×17
=8分之5×(16+1)
=8分之5×16 + 8分之5
=5×2 + 8分之5
=10 + 8分之5
=10又8分之5
0.6×7分之2+5分之3×7分之2
=5分之3×7分之2+5分之3×7分之2
=5分之3 × 7分之2 × 2
=35分之6 × 2
= 35分之12
【分?jǐn)?shù)簡算】8分之5×17、0.6×7分之2+5分之3×7分之2
【分?jǐn)?shù)簡算】8分之5×17、0.6×7分之2+5分之3×7分之2
8分之5×17 0.6×7分之2+5分之3×7分之2
= =
= =
= =
8分之5×17 0.6×7分之2+5分之3×7分之2
= =
= =
= =
數(shù)學(xué)人氣：660 ℃時(shí)間：2020-04-07 02:54:09
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