2数の減法L3-4(小数)(6問)
次の計算をせよ。
(+12.1)-(-5.2)
解答○ ×(-10.9)-(+12.5)
解答○ ×(+2.03)-(-6.55)
解答○ ×(-0.08)-(+4.53)
解答○ ×(-25.2)-(+18.9)
解答○ ×(+8.96)-(-7.05)
解答○ ×問題と解答
(+12.1)-(-5.2)17.3 (-10.9)-(+12.5)-23.4 (+2.03)-(-6.55)8.58 (-0.08)-(+4.53)-4.61 (-25.2)-(+18.9)-44.1 (+8.96)-(-7.05)16.01
