32x14-18x12 =32x12+32x2-18x12 =（32-18）x12+32x2 =14x12+32x2 =42x4+16x4 =58x4 =232
32×14-18×12 =4×8×2×7-2×9×2×6 =4×56×2-4×54 =4×（112-54）=4×58 =232
152x12+48÷12=152x(10+2)+4=152x10+152x2+4=1520+304+4=1824+4=1 25x32x125用简便方法计算 25x32x125用简便方法计算方法如下:25×4×8×125=(25×4)×(125×8)=100×1000=100 找玛雅蓝空气净化剂,上阿里巴巴 玛雅蓝空气净化剂从原料,生产,加工一系列服务.找阿里巴巴,全球领先采购批发平台!广告 ...
解方程。32x+18x=25064-3x=281.6x+1.2*5=10 5x÷4=3.5 3(x-12)=2.12.1x=14.71.3x+7.2=12.41.7+x=5.62x-3.4=2.210x-2.5x=3.75x÷0.5-3=36x+3x+4.5=13.5 相关知识点: 试题来源: 解析 七、1.(1)C(2)A2.(1)红蜻蜓用线系住了红蜻蜓(2)羊粪天真3.按时间顺序写出了秋季和夏季的小溪。特点...
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(34) 32x÷16=0.6 (35) 146+2x=160 (36) 0.5x+9x=28.5(37) (14x-5)÷41=5 (38) 0.2x=5.2 (39) 9x+18x=270(40) 12x+15x-31=77 (41) 4.6÷x=2.3 (42) 41x+51x-4.1=97.1(43) 39x÷12=13 (44) 0.2x=14.8 (45) 4.4-x=3.8(46) (3.2x-0.5)÷35=...
(25) 32x-7×1.4=6.2 (26) 19x-16x-3=24 (27) 41x=164(28) 8.3x+4.5=21.1 (29) 12x-10x=26 (30) 167-12x=11(31) 11x-3x+19=163 (32) x÷6=1.4 (33) 17x+7×0.4=21.5(34) 3x-0.4×7=6.2 (35) 37x-25x+1.7=25.7 (36) 14x+18x-16=80...