17.5除以0.25乘以0.25乘以17加13
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24乘以12.5-12.5除以0.25=24乘以12.5-12.5乘以4=(24-4)乘以12.5=20乘以12.5=250
0.4乘以0.25=0.125.6乘以0.1=2.56
17.5÷12.5x1.4=1.4x1.4=1.96再问:1.58*99+1.58怎么简便再答:1.58*99+1.58=1.58x(99+1)=1.58x100=158再问:19.44/2.7/4.
7.3÷4+2.7×0.25=7.3×(1÷4)+2.7×0.25=7.3×0.25+2.7×0.25=(7.3+2.7)×0.25=10×0.25=2.5
=4.12×4-0.12×4=(4.12-0.12)×4=4×4=16
(-三分之二)乘以(-五分之八)除以(-0.25)=-2/3x-8/5x-4=2/3x8/5x-4=-15分之64施主,我看你骨骼清奇,器宇轩昂,且有慧根,乃是万中无一的武林奇才.潜心修习,将来必成大
=6×4×6/5=4×5=20再问:-6除以(负0.25)X6分之5等于负6乘以负1分之4等于1分之24乘以6分之5等于20对吗?再答:对的
=2.5×2.85+0.25×23/2=2.5×2.85+0.25×11.5=2.5×2.85+2.5×1.15=2.5×(2.85+1.15)=2.5×4=10(11.5=23/2)
(0.25+0.7)x100/25x250/100=0.95x10=9.5
中间没有括号么?如果没有括号步骤是这样的.7.3÷4+2.7X0.25(除以四也就是乘以四分之一,也就是0.25)(7.3+2.7)X0.25=10X0.25=2.5能看懂么?第二步是乘法结合律AXB
5.56乘以4减去4.56除以0.25=5.56x4-4.56x4=(5.56-4.56)x4=1x4=4
8.9×0.2÷8.9×0.2=8.9÷8.9×(0.2×0.2)=1×0.04=0.04
4.18×0.25÷4.18=4.18÷4.18×0.25=1×0.25=0.25
乘以0.25相当于除以4,所以(17.5+12.5)*0.25=30*0.25=7.5
7.2÷0.25+2.8×4=7.2×4+2.8×4=(7.2+2.8)×4=40再答:①如果你对我的回答感到满意,请及时点击‘’采纳为满意回答‘’。②手机用户右上角评价点‘’满意‘’即可,你的认可会
23乘以5分之1+76除以5+0.2=23*1/5+76*1/5+1*1/5=(23+76+1)*1/5=100/5=20
6.75x0.25-2.75÷4=6.75x1/4-2.75÷4=6.75÷4-2.75÷4=(6.75-2.75)÷4=4÷4=1
9.6÷0.4×0.25=9.6×0.25÷0.4=(2.4×4×0.25)÷0.4=2.4÷0.4=6×0.4÷0.4=6
【1.9+19%乘以(4.8-2.4)】除以(53乘以0.25+30.6乘以0.25)=【1.9*(1+0.24)】/【0.25*(53+30.6)】=1.9*1.24/(83.6/4)=2.356/
(1.25乘以2.7乘以5.7)/(8.1乘以0.25乘以1.9)上下各乘以10000:=(125*27*57)/(81*25*19)上下各除以25:=(5*27*57)/(81*19)再各除以27: