计算下面各题,能简算的要简算.( 5 6 - 3 8 )×483200÷(1280-72×15)5.89+8
计算下面各题,能简算的要简算.(56-38)×483200÷(1280-72×15)5.89+8.17+2.83+4.1178÷[(12+35)×511]....
计算下面各题,能简算的要简算.( 5 6 - 3 8 )×483200÷(1280-72×15)5.89+8.17+2.83+4.11 7 8 ÷[( 1 2 + 3 5 )× 5 11 ].
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①(
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=40-18, =22; ②3200÷(1280-72×15), =3200÷(1280-1080), =3200÷200, =16; ③5.89+8.17+2.83+4.11, =(5.89+4.11)+(8.17+2.83), =10+11, =21; ④
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