51319— ÷ — = — ÷ — = 22281141 — ÷ — = 40% + — =995 4111— ÷ — = — × — = 3298885 + — = 5 × — = 97117— × — = 6 ÷ — = 89881103— ÷ — = — ÷ — = 97942472 ÷ 12 + 59 × 8 8%x6.2+0.23=90-11= 770+370=22+50=720÷60=18+0.1=0.3×0.6=3.4÷0.2= 4.95-0.32=2÷0.02=448+19=12÷0.06=- 11 = 66
5.9 + 5.7 + 4.1 + 4.3 250 × 3.2 × 1.258 : x = 8 : 3.9 6x + 0.5×4 = 9.5
( 4 — 1 1 3 + — + — )×120 5 8 1 — ÷ 27 + 8 — × 1 — 9 9 27 5 — × 6 — ÷ 5 — × 6 — 8 5 8 5 1 — : x = 6 — : 0.2 5 5 7 — + 1 — + 1 — + 5 — 8 6 8 6 16%x + 28 = 53 x × 1 — = 7 — 7 6 8 - 1 — + 5 — 6 6 10 — + 5 — + 1 — 9 4 9 7 — × 2 — × 8 — 8 21 7
5 11 1 1 — ÷ — = — + — = 8 8 5 4 11 4 1 — + — = 45% ÷ — = 3 3 7 10 6 1 1 — ÷ — = — × — = 9 5 8 7 9 6 5 × — = 7 + — = 8 5 5 3 1 — + — = 4 ÷ — = 6 4 3 2 1 1 1 — × — = — × — = 3 2 5 5 1560 ÷ 15 + 47 × 6 5%x 737-35=78+48= 760-200= 14+10=840÷60=22-0.1=0.75×0.2= 7.3÷0.1= 8.18-0.33=3.6÷0.02= 89.3+5=4.4÷0.04= - 19 = 57
7.5 + 1.8 + 2.5 + 8.2 250 × 0.32 × 1.25 8 : x = 16 : 6.8 3x + 0.5×7 = 8
( 1 — 4 1 3 + — + — )×135 5 9 1 — ÷ 29 + 8 — × 1 — 9 9 29 1 — × 2 — ÷ 1 — × 2 — 4 5 4 5 9 — : x = 9 — : 0.1 8 8 5 — + 3 — + 1 — + 1 — 6 4 6 4 64%x - 30 = 69 x × 1 — = 5 — 6 6 6 - 1 — - 7 — 8 8 9 — + 7 — - 1 — 8 2 8 6 — × 2 — × 7 — 7 13 6
1 5 1 1 — + — = — × — = 4 4 9 7 13 1 1 — - — = 20% ÷ — = 9 9 8 4 2 1 1 — + — = — ÷ — = 5 3 7 8 1 1 5 ÷ — = 7 × — = 9 2 7 1 5 — ÷ — = 3 × — = 6 4 4 3 1 1 9 — ÷ — = — ÷ — = 4 2 9 8 3690 ÷ 18 + 65 × 2 8%x 8-0.66=58+12= 970-390= 16×30=560÷40=40-0.4=0.75×0.6= 3÷0.2= 8.61-0.89=801-18=69.6+8=1.4×0.1= - 17 = 46
7.7 + 6 + 2.3 + 4 2.5 × 0.32 × 0.125 4 : x = 25 : 8.3 7x + 0.5×7 = 8
( 3 — 1 5 2 + — + — )×60 5 6 1 — ÷ 17 + 6 — × 1 — 7 7 17 1 — × 2 — ÷ 1 — × 2 — 4 9 4 9 7 — : x = 7 — : 0.1 8 6 2 — + 1 — + 1 — + 8 — 3 9 3 9 16%x + 11 = 76 x ÷ 6 — = 5 — 5 6 3 - 1 — - 6 — 7 7 9 — + 7 — + 1 — 8 9 8 3 — × 2 — × 4 — 4 19 3
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