800÷4=200, 300÷6=50, 40×21=840, 20÷8=2.5, 60×30=1800,
44÷4=11, 82÷2=41, 36÷3=12, 70-50=20, 7.2-6.3=0.9,
84÷4=21, 360÷6=60, 6.6+1.4=8, 32×40=1280, 46×10=460,
1.5+2.3=3.8, 0×48+20=20, 41×39≈1600, 358÷4≈90, 50×(180÷2)=4500.
800÷4=200, 300÷6=50, 40×21=840, 20÷8=2.5, 60×30=1800,
44÷4=11, 82÷2=41, 36÷3=12, 70-50=20, 7.2-6.3=0.9,
84÷4=21, 360÷6=60, 6.6+1.4=8, 32×40=1280, 46×10=460,
1.5+2.3=3.8, 0×48+20=20, 41×39≈1600, 358÷4≈90, 50×(180÷2)=4500.