1次式の加法減法1-3(6問)
次の計算をせよ。
(0.1x+2.3)+(0.02x-3.5)
解答○ ×(1.08x-2)+(-0.12x-1.3)
解答○ ×(3.1x-4.5)-(-5.1x+0.7)
解答○ ×(-1.2a+0.3b)-(-2.9a-1.5b)
解答○ ×(4.2a+1.02)-(3.7a-2.11)
解答○ ×(-0.8x+1.7)-(0.5x-3.9)
解答○ ×問題と解答
(0.1x+2.3)+(0.02x-3.5)0.12x-1.2 (1.08x-2)+(-0.12x-1.3)0.96x-3.3 (3.1x-4.5)-(-5.1x+0.7)8.2x-5.2 (-1.2a+0.3b)-(-2.9a-1.5b)1.7a+1.8b (4.2a+1.02)-(3.7a-2.11)0.5a+3.13 (-0.8x+1.7)-(0.5x-3.9)-1.3x+5.6
