Calculate the following questions, so how to do it easily 48×69+48×31 26×45÷（85-46） 125.3-27.44-12.56 7200÷25÷4 2.95+23.47+5.05+6.53 0.25×32×12.5

48×69+48×31 =48×（69+31）=48×100=4800 26×45÷（85-46） =26×45÷39=26÷13×（45÷3）=2×15=30 125.3-27.44-12.56=125.3-（27.44+12.56）=125.3-40=85.37200÷25÷4=7200÷（25×4）=7200...

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