48乘以7加3乘以48=?,用简便方法计算
48乘以7加3乘以48=?,用简便方法计算
48(7+3)=480
48乘以0.025乘以12简便方法计算
48乘以0.025乘以12简便方法
=12×(4×0.025)×12
=12×0.1×12
=1.2×12
=1.2×(10+2)
=1.2×10+1.2×2
=12+2.4
=14.4
96乘以32加48乘136用简便方法计算
96×32+48×136
=96×32+48×2×68
=96×32+96×68
=96×(32+68)
=96×100
=9600
82乘以48加19乘以48减48简便方法
82x48+19x48-48
=(82+19-1)x48
=100x48
=4800
4.8乘以1加0.48乘以490加48乘以5用简便计算
4.8*1+0.48*490+48*5=4.8*1+4.8*49+4.8*50=4.8*(1+49+50)=4.8*100=480
48乘以23+48乘以26+51乘以26简便计算
48乘以23+48乘以26+51乘以26简便计算
48乘以23+48乘以26+51乘以26
=48*(23+26+26)+3*26
=48*85+78
=4080+78
=4158
48乘以125用简便方法怎么计算呢?
48乘以125用简便方法怎么计算
=8×125×6
=1000×6
=6000
155乘以16乘以7用简便方法计算
155×16×7
=(155×2)×(8×7)
=310×56
=17360
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48乘以0.25乘以1.25(简便计算)
48×0.25×1.25
=(40+8)×0.25×1.25
=40×0.25×1.25+8×0.25×1.25
=12.5+2.5
=15
用简便方法计算7乘以30加上17乘以70
用简便方法计算7乘以30加上17乘以70
7乘以30加上17乘以70
=7*(30+170)
=7*200
=1400