新北师大版四年级下册解方程练习题
y+3.5=10 6÷y=10 y－3=4.5 8+x=9.4 12-x=8.5 x÷40=1.5 10.7+n=21 32.8-3b=17.8 4y-24=16 100x÷6=2.5 7×8+10x=128 m×33=99 x－0.9=24.7 2x＋5.67=13.67 10b=1.4 x÷4.5=8.8 5y－0.3=34.7 x+18=50 100x－0.4=22 5x＋8x=260 100x=48 10n=48 75－5x=55 x+5.6=9 10a÷5.5=10.5 2b=100 10x=4.2 2.5=y－7.5 3a÷5=4.8 2x÷10=5.2 x÷0.3=4.6＋5.6 5x＋15=65 10x－4=22 5x＋8x=260 m÷0.7=1.2 10x+18=50 x÷40=4.8 y+5y=96 5－x =1.53 91÷x =100 5x＋15=65 m÷0.7=1.2
4x－20=0 10x=4.2
x÷3=4.6＋5.6 18=y－7.5 x+8.3=10.7 10x+5.3=7.3