2370÷5
=(2370×2)÷(5×2)
=4740÷10
=474
36×111+888×8
=36×111+111×64
=111×(36+64)
=111×100
=11100
18×3+12×3+25
=(18+12)×3+25
=30×3+25
=90+25
=115
2370÷5
=(2370×2)÷(5×2)
=4740÷10
=474
36×111+888×8
=36×111+111×64
=111×(36+64)
=111×100
=11100
18×3+12×3+25
=(18+12)×3+25
=30×3+25
=90+25
=115