用简便方法计算 101×98-98 863+578-763-278 8100÷(27×4) (32+32+32+32)×125
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![用简便方法计算 101×98-98 863+578-763-278 8100÷(27×4) (32+32+32+32)×125](/uploads/image/z/745269-69-9.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97+101%C3%9798-98+863%2B578-763-278+8100%C3%B7%2827%C3%974%29+%2832%2B32%2B32%2B32%29%C3%97125)
用简便方法计算 101×98-98 863+578-763-278 8100÷(27×4) (32+32+32+32)×125
用简便方法计算 101×98-98 863+578-763-278 8100÷(27×4) (32+32+32+32)×125
用简便方法计算 101×98-98 863+578-763-278 8100÷(27×4) (32+32+32+32)×125
101×98-98
=98×(101-1)
=98×100
=9800
863+578-763-278
=(863-763)+(578-278)
=100+300
=400
8100÷(27×4)
=8100÷9÷3÷4
=900÷3÷4
=100÷4
=25
(32+32+32+32)×125
=32×(4×125)
=32×100
=3200