66×25 102×56 3248÷16 简便运算.66×25 102×56 3248÷16 简便运算.
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66×25 102×56 3248÷16 简便运算.66×25 102×56 3248÷16 简便运算.
66×25 102×56 3248÷16 简便运算.
66×25 102×56 3248÷16 简便运算.
66×25 102×56 3248÷16 简便运算.66×25 102×56 3248÷16 简便运算.
答:
66×25
=(60+6)×25
=60×25+6×25
=1500+150
=1650
102×56
=(100+2)×56
=100×56+2×56
=5600+112
=5712
3248÷16
=(3200+48)÷16
=3200÷16+48÷16
=200+3
=203
66×5×5 100×56+2×56 3248÷4÷4
答:
①66x25
=11x6x5x5
=11x(6x5)x5
=11x30x5
=11x(30x5)
=11x150
=(10+1)x150
=10x150+150
=1500+150
=1650
②102x56
=(100+2)x56
=100x56+2x56
=5600+112
=5712
③3248÷16
=(203x16)÷16
=203x16÷16
=203x(16÷16)
=203x1
=203
66x25=33x2x25=33x50=1650
102x56=(100+2)x56=100x56+2x56=5600+112=5712
3248÷16=(3200+48)÷16=3200÷16+48÷16=200+3=203
66×25 102×56 3248÷16 简便运算.66×25 102×56 3248÷16 简便运算.
102×33÷66巧算
56÷65+25
(1)32°16′+48°51′; (2)108°18′25″-56°23′32″; (3)15°43′26″×3; (4)66°45′÷5
56÷16化成百分数
56÷25 简便计算
计算下面各题,能简算的要简算.16 + 47 +56 +37 400÷25÷8 13 ÷[(1112 -56 )×45 ] (100+2)×2.5
简便计算 16.6÷2.5-66÷25
56 66 78 82 ( )A.98 B.100 C.96 D.102
56,66,78,82,( )A.98 B.100 C.96 D.102
56,66,78,82,()a 98,b 100,c 96,d 102
只要:(124-85)×12÷26 102×25
简便运算.102x13 44x125 800÷25
(-5)÷(-4)×(-16)÷25
简算.(1)102×96÷16 (2)1000÷(125÷4)
行测题 56,66,78,82,( ) A.98 B.100 C.96 D.102
66*102-66怎样算简便
用简便方法计算:456+79-56-79=?108+『66+92+224』=?274+87-74-87=?3600÷48=?397x101-397=?6500÷{65x25}=?{67x76+76x58}x8=?{125x99+125}x64=?375÷25=?3500÷125=?7250÷125=?22400÷56=?125x11x8x7=?88x25=?2200÷25=?33000÷125=?7800÷25÷4=?18000÷8