( 1 — 193+ — + — )×96 48 1 —÷ 37 + 7 —× 1 — 8 8371 —× 6 —÷ 1 —× 6 — 49491 — : x= 9 — : 0.7 8 8 7 —+ 1 —- 1 —+ 2 — 838316%x+ 27= 67x- 1 —= 1 — 48 9- 1 —- 4 — 553 —+ 7 —+ 1 — 2225 —× 2 —× 6 — 6195
1 7 1 12.7-0.26= — ÷ — = — + — = 2 2 8 853-36= 19 2 1 500-450= — + — = 40% × — = 5 5 7 18+30= 6 6 1 4720÷60= — × — = — × — = 5 7 9 563+0.2= 4 90.5×0.2= 8 + — = 4 - — =5 88.8÷0.4= 1 5 16.67+0.01= — ÷ — = 8 + — = 4 6 72+0.28= 7 6 6 81.5×0.3= — ÷ — = — × — = 8 5 5 99.9+0.15= 3312 ÷ 16 + 85 × 8 50%x - 25 = 35
2.4 + 3.5 + 7.6 + 6.5 2.5 × 0.32 × 125
4 : x = 10 : 5.8 8x - 0.5×7 = 6
( 1 — 1 1 2 + — + — )×64 4 8 1 — ÷ 40 + 7 — × 1 — 8 8 40 9 — × 6 — ÷ 9 — × 6 — 8 9 8 9 9 — : x = 5 — : 0.5 8 6 3 — + 1 — - 1 — + 5 — 4 6 4 6 20%x - 27 = 55 x ÷ 1 — = 9 — 6 8 6 - 1 — + 5 — 6 6 8 — + 5 — + 1 — 7 3 7 7 — × 2 — × 8 — 8 13 7
5 13 1 1 — ÷ — = — + — = 4 4 7 6 19 8 1 — ÷ — = 35% × — = 7 7 3 4 8 1 9 — × — = — × — = 5 7 8 8 10 3 2 + — = 6 × — = 9 2 1 1 7 — + — = 6 - — = 8 9 6 7 1 1 8 — + — = — × — = 6 3 7 9 1391 ÷ 13 + 12 × 6 5%x 8+0.06=76+41= 560+300= 12×30=810÷30=66+0.4=0.65×0.8= 9.6÷0.6= 3.58+0.49=1.8÷0.01= 24÷0.08=1-0.05= + 15 = 70
6.7 + 4.7 + 3.3 + 5.3 0.25 × 3.2 × 125 8 : x = 2 : 4.4 5x + 0.5×5 = 9
( 1 — 5 8 3 + — + — )×108 4 9 1 — ÷ 16 + 1 — × 1 — 2 2 16 3 — × 2 — ÷ 3 — × 2 — 2 9 2 9 1 — : x = 5 — : 0.4 4 6 2 — + 1 — - 1 — + 2 — 3 3 3 3 8%x - 12 = 60 x - 5 — = 7 — 4 6 8 - 1 — + 1 — 2 2 3 — + 7 — + 1 — 2 8 2 7 — × 2 — × 8 — 8 13 7
1 5 1 1 — ÷ — = — × — = 6 6 5 4 11 2 1 — ÷ — = 15% × — = 9 9 3 6 4 1 3 — × — = — + — = 7 3 4 4 1 1 3 ÷ — = 3 ÷ — = 5 8 1 9 1 — × — = 4 + — = 7 8 5 7 1 6 8 — + — = — × — = 6 2 5 9 1404 ÷ 13 + 12 × 3 8%x 19.8-6=72+25= 790+470= 15+20=960÷30=85-0.2=0.65×0.7= 8.4÷0.6= 7.76+0.5= 8.3+0.29= 159+42=5.9-0.2= + 19 = 76 0.2 + 1.3 + 9.8 + 8.7 0.25 × 32 × 1.25 6 : x = 5 : 8.3 8x + 0.5×3 = 9.5
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