17.93+116.83+17.233
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\(136\cdot23+136\cdot27-40\cdot36\)
\(=136\cdot\left(23+17\right)-40\cdot36\)
\(=136\cdot40-40\cdot36\)
\(=40\cdot\left(136-36\right)\)
\(=40\cdot100=4000\)
\(17\cdot93+116\cdot83+17\cdot23\)
\(=17\cdot\left(93+23\right)+116\cdot83\)
\(=17\cdot116+116\cdot83\)
\(=116\cdot\left(17+83\right)\)
\(=116\cdot100=11600\)
\(136.23+136.17-40.36\)
\(=136.\left(23+17\right)-40.36\)
\(=136.40-40.36\)
\(=40.\left(136-36\right)\)
\(=40.100\)
\(=100\)
a) 17.93+116.83+17.23
=(17.93+17.23)+116.83
=17.(93+23)+116.83
=17.116+116.83
=116.(17+83)
=116.100
=11600
b) 125.98-125.46-52.25
=(125.98-125.46)-52.25
=125.(98-46)-52.25
=125.52-52.25
=52.(125-25)
=52.100
=5200
tk nha!
\(17.93+116.83+17.23.\)
\(=17\left(93+23\right)+116.83.\)
\(=17.116+116.83.\)
\(=116\left(17+83\right).\)
\(=116.100=11600.\)
Vậy.....
17 . 93 + 116 . 83 +17 . 23
= 17 . (93 + 23) + 116 . 83
= 17 . 116 + 116 . 83
= 116 . (17 + 83)
= 116 . 100
= 11600
a) \(66.25+66+66.14+33.16=66.25+66.1+66.14+66.8=66.\left(25+1+14+8\right)=66.48=3168\\\)
a.17.93+116.83+17.23
=1581+9628+391
=11600
b.15.78.98.76
=1170.98.76
=114660.76
=8714160
c.65-89+87.9.5
=65-89+3915
=(65+(89))+3915
=3891
\(17\cdot93+116\cdot83+17\cdot233\)
\(=17\left(93+233\right)+116\cdot83\)
\(=17\cdot326+116\cdot83\)
=5542+9628
=15170