6.52+2.63= 2.13+6.89= 7.4− 1.1 = 9.6+ 6.4 = 2.96 − 4.95 = 1.7 − 5.6 = 7.8 − 6.65 = 7.8−6.15 = 1.26+5.21= 3.51+0.2= 4.63+8.92= 16.36+56.16= 3.96+6.04= 56.4+23.1= 10－7.64= 54.49-22.5= 46.32+65.18= 3.25+0.75= 7.68-6.50= 3.51+9.00= 13.6＋8.46= 8-7.56= 3.27 − 1.6 = 6.74−6.4 = 0.96-0.23= 63.43-18.18= 9.3-8.8= 4.22+8.46= 0.3+0.4= 5.3-4.8= 63.22-22.77= 75.2-28.3 = 1.72+9.28 = 5.79 + 6 = 20－5.674＝ 16.65+18.87= 3-2.3= 9+1.5= 8.18 + 1.58 = 2.25+1.2 = 36.08+9.92= 33.84+16.5= 8.28+4.75= 41.98+18.24= 0.99＋ 1.1= 0.3+0.7= 1.27+0.31= = 0.41+0.95 13.2+65.1= 1.2-0.03= 4.5-0.9= 8.49+6.71= 10－ 7.64= 0.96+4.68 2.4+1.2= 7.65+2.13= 5.63+2.21= 4.67− 1.67 = 6.23-4.53= 6.84-5.73= 24.8-18.2= 1.69+2.21= 9.28+7.32= 45.52-22.18= 9.5 − 3.7 = 5.4 − 3.6 = 8.65－ 6.31= 2.13-0.02= 7.24+6.21= 4.9-0.85= 5.15-4.79= 8.42-7.04= 3.7 + 2.8 = 7.24 +2.84= 1.3+4.3 = 0.32+1.57= 4.31 + 1.7= 3.7 − 4.6 = 6.14-2.01= 6.97-5.97= 7.23 + 3.6 = 2.3 +4.21 = 141.2－48.98＝ 0.99+24.85= 12.3+96.5= 0.8-0.45= 2.63 + 3.7 = 3.01+8.7 = 1.509+0.93= 35.65-19.9= 5.8+2 5-0.2= 11.6-9.23= 0.375+0.625= 5.40-4.86= 5.75-3.05= 26.65-15.24= 9.23+5.45= 69.52-31.48= 6.52+2.63= 2.13+6.89=
