304×5= 106× 10= 178×3= 78×9=

1.573×6= 3.52× 100 3.54×8= 43.87×4=

163×3= 724×7= 43.7×8= 46.9×8=

78×9= 250×0.4= 24×5= 37×8=

104×5= 847×4= 8×42= 5.78×92=

78×2= 245×0= 306× 103×0= 132×6=

350× 1000= 3 17×4= 1.52×6= 125×0.8=

302×783×0= 264×8= 5.76×9= 3875×0=

1.854×0× 100= 937×4= 285×4= 134×3=

125×8= 25×4= 300×52= 5×42=

1.35×9= 15×8= 125×4= 8.456× 1000=

2 1×8= 32×0. 1= 572×8= 372×0=

153×46= 173× 10= 15×80= 3652007×0=

384÷4= 888÷74 592÷37= 384÷32=

1846÷ 10= 468÷39= 1460÷20= 50÷2=

78÷4= 24.5÷ 14= 49.5÷3= 153÷0=

462÷5= 374÷ 10= 73÷9= 10÷3=

Equation. 1.5648+84659-5984

2.8456+5982-5248

3.45268x 1544 1+584

4.5462 1+542 1-698

5.542-8462-7845

6.9846-24 1657-4658+54798

Simple recursive equation

( 1)60506- 19460÷35

(2)23072÷4 12×65

(3) 184×38+ 1 16×38- 1 1300

(4)(7969 1-46354)÷629

(5)325÷ 13×(266-250)

Solution ratio

100:68 16.5:96.3 25.5:93 12.4:2/3

29.6: 100/ 120 23.6: 150 46:96 1. 1: 1 1

3.6: 1.2 4.8: 1/2 4.9:0.7 14:28.26 4 1.23:4 123 15:0. 12 10: 120 123:3 65: 13 3: 1 42:54 0. 15:2 1

Find the ratio

20.5:50 20*5:3.5*9 10: 12.53 980.9.8

54.6:32 1052:87 467:46.7 1. 1: 13

12:69 2.2:40 45:96.3 3:3695

52.9:27.4 2.5:40.5 92:26 456:46/26

5624:20*8.5 3464:87/56 9:5/2 4:6*2

8.8:3235 545:20.68 15:5/8 10/63:6*5

solve an equation

3X+5X = 48 14X-8X = 12 6 * 5+2X = 44

20X-50 = 50 28+6X = 88 32-22X = 10

24-3X = 3 10X *(5+ 1)= 60 99X = 100-X

Unit conversion

1m=( )dm=( )cm

5dm= () cm

12dm-2dm=( )m=( )cm

1m-2dm=( )dm

5cm+ 15cm=( )cm=( )dm

45cm+55cm = () m = () decimeter.