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完成下列的简便运算755-(2187+755)3065-738-10652365-1086-214497-2991883-39875/24(12+24+80)/50704/25

题目详情
完成下列的简便运算
755-(2187+755) 3065-738-1065 2365-1086-214 497-299 1883-398 75/24 (12+24+80)/50 704/25
▼优质解答
答案和解析
755-(2187+755)
=755-2187-755
=-2187
3065-738-1065
=3065-1065-738
=2000-738
=1262
2365-1086-214
=2365-(1086+214)
=2365-1300
=1065
497-299
=497-(300-1)
=497-300+1
=197+1
=198
1883-398
=1883-(400-2)
=1883-400+2
=1483+2
=1485
75/24
=25/8
=3.125
(12+24+80)/50
=12/50+24/50+80/50
=0.24+0.48+1.6
=2.32
704/25
=(704×4)/(25×4)
=2816/100
=28.16