Question

直接写得数．

40×3=	500×2=	400×5=
75÷8=	200-178=	210×4=
789×0=	389+470=	302×3=
25×4=	16×2=	27÷9=
65-7=	760+0=	103×5≈
299×4≈	6×7+8=	3 9 + 2 9 =
2 7 + 5 7 =	1- 2 3 =	12 12 - 3 8 + 1 8 =

Answer 1

40×3=120	500×2=1000	400×5=2000
75÷8=9…3	200-178=22	210×4=840
789×0=0	389+470=859	302×3=906
25×4=100	16×2=32	27÷9=3
65-7=58	760+0=760	103×5≈500
299×4≈1200	6×7+8=50	3 9 + 2 9 = 5 9
2 7 + 5 7 =1	1- 2 3 = 1 3	12 12 - 3 8 + 1 8 = 3 4