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100

.735+.135

What is .870 or .87

100

.321-.221

What is .100 or .1

100

.15 x .02

What is .0030 or .003?

100

.95÷.76

What is 1.25

100

.578-.437

What is .141

200

.398+.465

What is .863

200

.435-.332

What is .103

200

.32 x .61

What is .1952?

200

.72÷.63

What is 1.14

200

.624+.256

What is .880

300

.867+.156

What is 1.023

300

.625-.413

What is .212

300

.78 x .64

What is .4992

300

.68÷.41

What is 1.66

300

.65 x .52

What is .338

400

.854+.965

What is 1.819

400

.936-.927

What is .009

400

.84 x .96

What is .8064

400

.97÷.54

What is 1.80

400

.82÷.53

What is 1.55

500

.957+.965

What is 1.922

500

.905-.809

What is .096

500

.95 x .94

What is .893

500

.99÷.24

What is 4.13

500

.89 x .58

What is .52