5.68️9.90.568(简便方法运算)
5.68️9.90.568(简便方法运算)
5.68x9.9+0.568
=5.68x9.9+5.68x0.1
=5.68x(9.9+0.1)
=5.68x10
=56.8
2014️784028️11的简便运算
=2014×78+2014×2×11
=2014×(78+22)
=2014×100
=201400
206️208209️205怎么简便运算
206×208-209×205
=(207-1)×(207+1)-(207+2)×(207-2)
=207×207-1×1-(207×207-2×2)
=207×207-1-207×207+4
=-1+4
=3
22222️9999933333️99999怎么简便运算?
22222️9999933333️99999怎么简便运算
22222️9999933333️99999
=【22222×(99999+1)-22222×1】+【33333×(99999+1)-33333×1】
=【22222×100000-22222×1】+【33333×100000-33333×1】
=【2222200000-22222】+【3333300000-33333】
=2222177778+3333266667
=5555444445
17️2871️1717简便方法
17️2871️1717
=17×(28+71+1)
=17×100
=1700
10725️44的简便运算
10725️44
=107+25️4️11
=107+100️11
=107+1100
=1207
36️126️28的简便方法
36×12+6×28
=36×12+6×2×14
=36×12+12×14
=(36+14)×12
=50×12
=600
36×12+6×28
=6×6×12+6×28
=6×72+6×28
=6×(72+28)
=6×100
=600
4.6️9.9的简便方法怎么算
4.6×9.9
=4.6×(10-0.1)
=4.6×10-4.6×0.1
=46-0.46
=45.54
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2.8️1.932.5简便方法
2.8️1.932.5
=2.8×2-2.8×0.1+32.5
=5.6+32.5-0.28
=38.1-0.3+0.02
=37.82
求助:74️14111️24简便方法
74️14111️24简便方法
74️14÷111️24
=1036÷111*24
=24864÷111
=224