Hudson and gunner 5C

Fractions

100

2/4+3/6=

1 or 12/12

200

4/6+8/5=

68/30 or 2 8/30 or 2 4/15

300

3 2/4 ✖️ 1 3/8=

77/16 + 4 13/16

400

1 4/3 - 4/6=

10/6 or 1 4/6 or 1 2/3

500

5 2/6 ÷ 8=

4/6 or 2/3

Decimals

100

.12 x 10² =

12.

200

3.13 ÷ 10⁵=

.0000313

300

4.569 + 5.100=

9.669

400

.673 x 1.2

.8076

500

.7333 x 10¹⁴

.73330000000000

Addition

100

788,978 + 775,966 + 958,846

2,523,790

200

9,999,999 + 7,847,995

17,847,994

300

1+2+4+5+6+7+8+9

45

400

777,865,567 + 756,878,947

1,534,744,514

500

1,222,371,345,971 + 789,000,321,892

2,011,371,667,863

hard

100

1 + 1 =

2

200

2 x 5

10

300

50 x 5

250

400

100,000,000 x 5

500,000,000

500

99 + 99 + 99 + 99 =

396

EASY

100

12.821 ÷ 10⁶

.000012821

200

60234 x 32

1,927,488

300

123456789 x 19 =

2,345,678,991

400

IV =

4

500

What is 78 in roman numerals.

LXXVIII