-14-(-10)-8⼀(-9⼀7)+3*(-1)3-(-4)*5 等于多少?要过程,

2024-11-17 11:24:49
推荐回答(2个)
回答(1):

-14-(-10)-8/(-9/7)+3*(-1)3-(-4)*5
=14+10+8*7/9-9+20
=14+10+79/9-9+20
=14+10-9+20+79/9
=35+79/9
=394/9

回答(2):

=-14+10+8*9/7-3*(1)3+4*5
=-4+72/7-3+20
=13+72/7
=91/7+72/7
=163/7