求解,这些简便算式怎么做
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12.5×16×0.5
=12.5×8×2×0.5
=100×1
=100
4.8÷0.16÷0.3
=4.8÷(0.16×0.3)
=4.8÷0.048
=4800÷48
=100
0.57×99+0.57
=0.57×(99+1)
=0.57×100
=570
=12.5×8×2×0.5
=100×1
=100
4.8÷0.16÷0.3
=4.8÷(0.16×0.3)
=4.8÷0.048
=4800÷48
=100
0.57×99+0.57
=0.57×(99+1)
=0.57×100
=570
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