Class ____ learns ____ of date ____ full name to notch ____
1. Get number by what calculate type leftly to roll out right to calculate type.
(12=(of × of 10=130 13 of × of 1)13 × 2=26 13)
(24=(of × of 20=480 24 of × of 2)24 × 4=96 24)
(34=(of × of 30=750 25 of 3)25 × 4=100 25 × )
2. Computational problem
23 14
× 24 × 26
3. Computational problem
36 123
× 52 × 52
4. 1000 subtractive 24 multiply of 18 indigestion, how much is difference?
5. Multiplier is 24, multiplicand is 26, how much is accumulating?
Of a number 2 times be 386, how much is this number?