(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)

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(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)2.25×4.

(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)
(怎样简算)
2.25×4.8+77.5×0.48(怎样简算,)

(怎样简算)2.25×4.8+77.5×0.48(怎样简算,)
2.25×4.8+77.5×0.48
=22.5x0.48+77.5x0.48
=(22.5+77.5)x0.48
=100x0.48
=48

2.25×4.8+77.5×0.48
=22.5x0.48+77.5x0.48
=(22.5+77.5)x0.48
=100x0.48
=48