‌1．算一算4x5-5=2x3-6=4x3+6=6x3+9=9÷3=3÷3=6x2=30÷5=24÷4= 6÷1= 18:6= 3x6=5x5+5=5x6-20=2x6+12= 24÷6+9=4x2+9= 8+30÷6=2÷2=3x4= 5x3=10÷5=25÷5=36÷6=2．在圆圈里填">""

‌20÷50=   450÷70=         590÷90=    780÷50=        20÷80=         40÷90 400÷70=       180÷50=        130÷70=        70÷50=        610÷70=        440÷30=        &n

‌980÷90=        560÷90=        810÷70=         460÷60=        370÷20=        340÷60=        810÷40=        530÷80=        710÷30=        820÷40=       &nb