怎样简便就怎样算. 23+43.03+14.77+12.97 80.43-(5.06+44.43) 78×1...
怎样简便就怎样算.23+43.03+14.77+12.9780.43-(5.06+44.43)78×125×8134×51+51×6625×36960×46÷483000...
怎样简便就怎样算. 23+43.03+14.77+12.97 80.43-(5.06+44.43) 78×125×8 134×51+51×66 25×36 960×46÷48 3000÷125÷8.
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①23+43.03+14.77+12.97
=(23+14.77)+(43.03+12.97)
=37.77+56
=93.77;
②80.43-(5.06+44.43)
=80.43-44.43-5.06
=36-5.06
=30.94;
③78×125×8
=78×(125×8)
=78×1000
=78000;
④134×51+51×66
=(134+66)×51
=200×51
=10200;
⑤25×36
=(25×4)×9
=100×9
=900;
⑥960×46÷48
=960÷48×46
=20×46
=920;
⑦3000÷125÷8
=3000÷(125×8)
=3000÷1000
=3.
=(23+14.77)+(43.03+12.97)
=37.77+56
=93.77;
②80.43-(5.06+44.43)
=80.43-44.43-5.06
=36-5.06
=30.94;
③78×125×8
=78×(125×8)
=78×1000
=78000;
④134×51+51×66
=(134+66)×51
=200×51
=10200;
⑤25×36
=(25×4)×9
=100×9
=900;
⑥960×46÷48
=960÷48×46
=20×46
=920;
⑦3000÷125÷8
=3000÷(125×8)
=3000÷1000
=3.
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