简便计算:(45.6 15 54.4 10)x8.88x0.55⼀55

2025-06-29 07:05:24
推荐回答(1个)
回答1:

原式
=(45.6+15+54.4+10)x8.88x0.55/55
=[(45.6+54.4)+15+10]x8.88x0.11
=(100+15+10)x8.88x0.11
=125x8.88x0.11
=125x8x1.11x0.11
=1000x1.11x0.11
=1110x0.11
=1110x0.1+1110x0.01
=111+11.1
=122.1