中2
式の計算 多項式の加法減法_2
計算せよ。
4x+3y+(2x-5y+9)
6x-2y+9
-2x+7y-(8x+9y-2)
-10x-2y+2
5x-8y-(4x-12y+7)
x+4y-7
2x2-3x+2+(3x2+7x+1)
5x2+4x+3
4x2+8x+1-(6x2+5x-3)
-2x2+3x+4
3ab-2a-5b-(ab-9a+5b)
2ab+7a-10b
計算せよ。
(4x2+9x-15)+(9x2-11x+17)
13x2-2x+2
(3xy-5x-7y)-(4xy+6x-16y)
-xy-11x+9y
(11a2-7a+4)-(8a2-19a-14)
3a2+12a+18
(6ab+5a+3b)+(-4ab-7a+9b)
2ab-2a+12b
(5x3-2x2+7x)-(20x3-8x2-4x)
-15x3+6x2+11x
(4x2-6xy-9y2+6)-(-7x2+11xy-5)
11x2-17xy-9y2+11
計算せよ。
43x+3y+(23x-52y+9)
2x+12y+9
-2x+75y-(18x+95y-1)
-178x-25y+1
52x-87y-(43x-127y+2)
76x+47y-2
23x2-13x+25+(13x2+73x+15)
x2+2x+35
114x2+815x+1322-(521x2+710x-833)
-16x2-16x+56
1112ab-1318a-25b-(715ab-1945a+35b)
920ab-310a-b
計算せよ。
(112x2+94x-203)+(92x2-118x+7)
10x2+78x+13
(53xy-54x-72y)-(89xy+56x-3y)
79xy-2512x-12y
(1112a2-72a+4)-(89a2-198a-143)
136a2-98a+263
(3536ab+1915a+65b)+(-4948ab-4135a+95b)
-7144ab+221a+3b
(58x3-221x2+12x)-(34x3-314x2-43x)
-18x3+542x2+116x
(528x2-2110xy-1120)-(-1335x2+1115xy-715)
1120x2-176xy-112
解答 表示
6x-2y+9
-10x-2y+2
x+4y-7
5x2+4x+3
-2x2+3x+4
2ab+7a-10b
13x2-2x+2
-xy-11x+9y
3a2+12a+18
2ab-2a+12b
-15x3+6x2+11x
11x2-17xy-9y2+11
2x+12y+9
-178x-25y+1
76x+47y-2
x2+2x+35
-16x2-16x+56
920ab-310a-b
10x2+78x+13
79xy-2512x-12y
136a2-98a+263
-7144ab+221a+3b
-18x3+542x2+116x
1120x2-176xy-112