Question

b187b
(9) \

$$\begin{array}{r} 743 \\\\ -130 \\end{array}$$

(13) \

$$\begin{array}{r} 843 \\\\ -236 \\end{array}$$

(10) \

$$\begin{array}{r} 743 \\\\ -128 \\end{array}$$

(14) \

$$\begin{array}{r} 843 \\\\ -272 \\end{array}$$

(11) \

$$\begin{array}{r} 743 \\\\ -165 \\end{array}$$

(15) \

$$\begin{array}{r} 843 \\\\ -276 \\end{array}$$

(12) \

$$\begin{array}{r} 763 \\\\ -568 \\end{array}$$

(16) \

$$\begin{array}{r} 843 \\\\ -156 \\end{array}$$

b188a kumon
subtraction of 3-digit numbers 3
subtract.
(1) \

$$\begin{array}{r} 831 \\\\ -210 \\end{array}$$

(5) \

$$\begin{array}{r} 952 \\\\ -251 \\end{array}$$

(2) \

$$\begin{array}{r} 831 \\\\ -271 \\end{array}$$

(6) \

$$\begin{array}{r} 952 \\\\ -261 \\end{array}$$

(3) \

$$\begin{array}{r} 831 \\\\ -276 \\end{array}$$

(7) \

$$\begin{array}{r} 952 \\\\ -256 \\end{array}$$

(4) \

$$\begin{array}{r} 831 \\\\ -387 \\end{array}$$

(8) \

$$\begin{array}{r} 952 \\\\ -898 \\end{array}$$

Explanation:

Calculate page B187b column 1

$$
LATEXBLOCK0
$$

Calculate page B187b column 2

$$
LATEXBLOCK1
$$

Calculate page B188a column 1 and column 2

$$
LATEXBLOCK2
$$

Answer:

No.	Problem	Answer
(10)	\(743 - 128\)	\(615\)
(11)	\(743 - 165\)	\(578\)
(12)	\(763 - 568\)	\(195\)
(13)	\(843 - 236\)	\(607\)
(14)	\(843 - 272\)	\(571\)
(15)	\(843 - 276\)	\(567\)
(16)	\(843 - 156\)	\(687\)
(1)	\(831 - 210\)	\(621\)
(2)	\(831 - 271\)	\(560\)
(3)	\(831 - 276\)	\(555\)
(4)	\(831 - 387\)	\(444\)
(5)	\(952 - 251\)	\(701\)
(6)	\(952 - 261\)	\(691\)
(7)	\(952 - 256\)	\(696\)
(8)	\(952 - 898\)	\(54\)