Question

b163b
(9) 126 - 10
(10) 126 - 31
(11) 126 - 51
(12) 126 - 72
(13) 126 - 92
(14) 216 - 21
(15) 216 - 41
(16) 216 - 62
(17) 216 - 82
(18) 216 - 93

b164a kumon
subtraction of 3-digit numbers 1
subtract.
(1) 144 - 16
(2) 144 - 18
(3) 144 - 17
(4) 144 - 19
(5) 144 - 61
(6) 144 - 81
(7) 144 - 71
(8) 144 - 91

Explanation:

Calculate page B163b left column

$$
LATEXBLOCK0
$$

Calculate page B163b right column

$$
LATEXBLOCK1
$$

Calculate page B164a left and right columns

$$
LATEXBLOCK2
$$

Answer:

No.	Problem	Answer
(10)	\(126 - 31\)	\(95\)
(11)	\(126 - 51\)	\(75\)
(12)	\(126 - 72\)	\(54\)
(13)	\(126 - 92\)	\(34\)
(14)	\(216 - 21\)	\(195\)
(15)	\(216 - 41\)	\(175\)
(16)	\(216 - 62\)	\(154\)
(17)	\(216 - 82\)	\(134\)
(18)	\(216 - 93\)	\(123\)
(1)	\(144 - 16\)	\(128\)
(2)	\(144 - 18\)	\(126\)
(3)	\(144 - 17\)	\(127\)
(4)	\(144 - 19\)	\(125\)
(5)	\(144 - 61\)	\(83\)
(6)	\(144 - 81\)	\(63\)
(7)	\(144 - 71\)	\(73\)
(8)	\(144 - 91\)	\(53\)