52*11.1+2.6*778
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52*11.1+2.6*778
![52*11.1+2.6*778](/uploads/image/z/15862921-25-1.jpg?t=52%2A11.1%2B2.6%2A778)
52*11.1+2.6*778=26×2×11.1+26×77.8=26×(22.2+77.8)
=2600
=2600
52*11.1+2.6*778,怎么简便
简便运算 27×20.8+9×37.6 52×11.1+2.6×778
52乘11.1加2.6乘778简便运算
数学简算题4道一.45*2.08+1.5*37.6二.52*11.1+2.6*778三.48*1.08+1.2*56.8
52乘以11.1减2.6乘以77.8简算
778
5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)]
8x+52=100 3x-2.6=12.8 5.8x+9.2x=72
666*333+778*999
999*778+666*333
999×778+333×666
333*666+999*778