Question

b164b
(9) \

$$\begin{array}{r} 261 \\\\ -\\phantom{0}26 \\end{array}$$

(14) \

$$\begin{array}{r} 225 \\\\ -\\phantom{0}42 \\end{array}$$

(10) \

$$\begin{array}{r} 261 \\\\ -\\phantom{0}24 \\end{array}$$

(15) \

$$\begin{array}{r} 225 \\\\ -\\phantom{0}72 \\end{array}$$

(11) \

$$\begin{array}{r} 261 \\\\ -\\phantom{0}28 \\end{array}$$

(16) \

$$\begin{array}{r} 225 \\\\ -\\phantom{0}52 \\end{array}$$

(12) \

$$\begin{array}{r} 261 \\\\ -\\phantom{0}35 \\end{array}$$

(17) \

$$\begin{array}{r} 225 \\\\ -\\phantom{0}63 \\end{array}$$

\

$$\begin{array}{r} 261 \\\\ -\\phantom{0}39 \\end{array}$$

(18) \

$$\begin{array}{r} 225 \\\\ -\\phantom{0}93 \\end{array}$$

b165a kumon
subtraction of 3-digit numbers 1
subtract.
(1) \

$$\begin{array}{r} 172 \\\\ -\\phantom{0}36 \\end{array}$$

(5) \

$$\begin{array}{r} 258 \\\\ -\\phantom{0}62 \\end{array}$$

(2) \

$$\begin{array}{r} 172 \\\\ -\\phantom{0}37 \\end{array}$$

(6) \

$$\begin{array}{r} 258 \\\\ -\\phantom{0}82 \\end{array}$$

(3) \

$$\begin{array}{r} 172 \\\\ -\\phantom{0}45 \\end{array}$$

(7) \

$$\begin{array}{r} 258 \\\\ -\\phantom{0}73 \\end{array}$$

(4) \

$$\begin{array}{r} 172 \\\\ -\\phantom{0}58 \\end{array}$$

(8) \

$$\begin{array}{r} 258 \\\\ -\\phantom{0}94 \\end{array}$$

Explanation:

Calculate column subtraction for page B164b

$$
LATEXBLOCK0
$$

Calculate column subtraction for page B165a

$$
LATEXBLOCK1
$$

Answer:

No.	Problem	Answer
(10)	\(261 - 24\)	\(237\)
(11)	\(261 - 28\)	\(233\)
(12)	\(261 - 35\)	\(226\)
(13)	\(261 - 39\)	\(222\)
(14)	\(225 - 42\)	\(183\)
(15)	\(225 - 72\)	\(153\)
(16)	\(225 - 52\)	\(173\)
(17)	\(225 - 63\)	\(162\)
(18)	\(225 - 93\)	\(132\)
(1)	\(172 - 36\)	\(136\)
(2)	\(172 - 37\)	\(135\)
(3)	\(172 - 45\)	\(127\)
(4)	\(172 - 58\)	\(114\)
(5)	\(258 - 62\)	\(196\)
(6)	\(258 - 82\)	\(176\)
(7)	\(258 - 73\)	\(185\)
(8)	\(258 - 94\)	\(164\)