111469.9-4=— + — = — ÷ — = 223578-21=1321890-280=— - — = 65% + — = 77824×30=9416630÷30=— × — = — + — = 832557-0.7=410.15×0.2= 5 + — = 6 × — =336÷0.4= 1347.62-0.58=— × — = 5 × — = 84569.3+4=961189.1+4=— × — = — + — = 87391.2×0.3=3762 ÷ 18 + 80 × 7 32%x - 30 = 73
2.3 + 3.5 + 7.7 + 6.5 0.25 × 32 × 0.125
6 : x = 5 : 6.3 2x + 0.5×8 = 6.5
( 3 — 4 9 2 + — + — )×80 5 8 1 — ÷ 41 + 4 — × 1 — 5 5 41 9 — × 4 — ÷ 9 — × 4 — 6 7 6 7 7 — : x = 5 — : 0.1 6 6 1 — + 1 — + 1 — + 4 — 2 5 2 5 80%x - 29 = 80 x × 1 — = 1 — 6 8 5 - 1 — + 5 — 6 6 5 — + 1 — - 1 — 4 3 4 6 — × 2 — × 7 — 7 11 6
5 1 1 12.5-0.21= — ÷ — = — × — = 4 4 3 591-16= 13 1 1 750+320= — - — = 70% ÷ — = 7 7 6 17+80= 3 1 1 1640÷40= — × — = — + — = 4 3 3 733-0.5= 8 10.6×0.5= 2 + — = 2 ÷ — =9 78.4÷0.7= 6 8 11.98-0.71= — + — = 2 + — = 7 9 85.6-0.14= 6 1 1 189.6+8= — × — = — ÷ — = 5 2 9 911.5÷0.05= 1632 ÷ 16 + 90 × 3 32%x + 19 = 40
3.7 + 9.5 + 6.3 + 0.5 25 × 0.32 × 12.5
4 : x = 2 : 5.3 2x - 0.5×8 = 8.5
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