( 2 — 113+ — + — )×10849 1 —÷ 27 + 5 —× 1 — 6 6271 —× 8 —÷ 1 —× 8 — 43433 — : x= 7 — : 0.6 4 6 1 —+ 8 —- 1 —+ 1 — 29295%x+14 = 37 x÷ 7 —= 6 — 65 6- 1 —+ 5 — 665 —+ 1 —- 1 — 4245 —× 2 —× 6 — 6195
7 5 1 11.6×0.5= — ÷ — = — ÷ — = 8 8 6 577-39= 17 1 7 680-480= — + — = 25% ÷ — = 7 7 8 19+20= 10 1 1 1300÷20= — ÷ — = — × — = 9 7 5 640-0.3= 1 10.8×0.1= 5 × — = 6 - — =4 29.8÷0.7= 3 8 13.73+0.96= — ÷ — = 7 ÷ — = 4 9 47+0.27= 7 1 1 45+0.81= — × — = — × — = 8 2 8 310.8÷0.09= 2071 ÷ 19 + 17 × 4 16%x + 16 = 74
3.3 + 1.8 + 6.7 + 8.2 250 × 3.2 × 125
2 : x = 8 : 1.5 5x - 0.5×2 = 9.5
( 4 — 1 1 3 + — + — )×96 4 8 1 — ÷ 34 + 1 — × 1 — 2 2 34 7 — × 2 — ÷ 7 — × 2 — 8 3 8 3 9 — : x = 1 — : 0.7 8 3 8 — + 1 — + 1 — + 1 — 9 2 9 2 5%x - 19 = 68 x × 5 — = 5 — 4 4 4 - 1 — + 4 — 5 5 7 — + 5 — - 1 — 6 3 6 8 — × 2 — × 9 — 9 21 8
5 11 1 1 — ÷ — = — × — = 6 6 4 7 17 2 5 — ÷ — = 25% × — = 9 9 4 5 1 1 6 — ÷ — = — + — = 6 2 6 5 2 8 3 + — = 4 ÷ — = 3 7 7 1 1 — ÷ — = 6 ÷ — = 8 5 7 6 1 4 10 — + — = — + — = 5 7 5 9 2926 ÷ 14 + 84 × 6 5%x 69.6+8=57-27= 930+230= 12×80=330÷30=26-0.6=0.45×0.7= 8.5÷0.5= 3.82+0.91=29.7+3=1.5×0.3=1.5+0.22= - 14 = 77
2.2 + 2.9 + 7.8 + 7.1 2.5 × 3.2 × 12.5 8 : x = 20 : 8.6 8x + 0.5×3 = 9.5
( 4 — 5 5 3 + — + — )×72 4 6 1 — ÷ 54 + 5 — × 1 — 6 6 54 9 — × 8 — ÷ 9 — × 8 — 4 3 4 3 9 — : x = 9 — : 0.2 8 8 7 — + 6 — + 1 — + 1 — 8 7 8 7 10%x + 29 = 51 x ÷ 8 — = 5 — 7 6 5 - 1 — + 6 — 7 7 3 — + 5 — - 1 — 2 6 2 4 — × 2 — × 5 — 5 5 4
7 5 1 52-0.66= — ÷ — = — + — = 2 2 3 689+25= 16 2 9 820+410= — - — = 10% × — = 9 9 8 24×50= 5 1 1 6980÷70= — ÷ — = — ÷ — = 4 2 8 772-0.8= 1 10.5×0.9= 4 + — = 2 ÷ — =5 26÷0.5= 1 1 17.17-0.26= — ÷ — = 7 ÷ — = 4 5 65-0.05= 10 1 1 1016.8÷0.06= — ÷ — = — ÷ — = 9 3 3 91.5+0.22= 3296 ÷ 16 + 78 × 8 80%x - 15 = 58
5.6 + 6 + 4.4 + 4 2.5 × 0.32 × 125
4 : x = 8 : 9 4x + 0.5×4 = 10
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